Merging upstream version 125.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

272 files changed, 1091 insertions, 826 deletions

diff --git a/netwerk/test/browser/browser_103_assets.js b/netwerk/test/browser/browser_103_assets.js
index 4e32c8bf7c..0d2ad354f2 100644
--- a/netwerk/test/browser/browser_103_assets.js
+++ b/netwerk/test/browser/browser_103_assets.js
@@ -41,7 +41,7 @@ async function test_hint_asset(testName, asset, variant) {
 
   let observer = {
     QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-    observe(aSubject, aTopic, aData) {
+    observe(aSubject, aTopic) {
       if (aTopic == "earlyhints-connectback") {
         numConnectBackRemaining -= 1;
       }
diff --git a/netwerk/test/browser/browser_103_cleanup.js b/netwerk/test/browser/browser_103_cleanup.js
index c823f5f01a..9609312e02 100644
--- a/netwerk/test/browser/browser_103_cleanup.js
+++ b/netwerk/test/browser/browser_103_cleanup.js
@@ -16,7 +16,7 @@ add_task(async function test_103_cancel_parent_connect() {
   let observed_cancel_reason = "";
   let observer = {
     QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-    observe(aSubject, aTopic, aData) {
+    observe(aSubject, aTopic) {
       aSubject = aSubject.QueryInterface(Ci.nsIRequest);
       if (
         aTopic == "http-on-stop-request" &&
diff --git a/netwerk/test/browser/browser_103_private_window.js b/netwerk/test/browser/browser_103_private_window.js
index 7d23ea4b28..909bec0143 100644
--- a/netwerk/test/browser/browser_103_private_window.js
+++ b/netwerk/test/browser/browser_103_private_window.js
@@ -35,7 +35,7 @@ async function test_early_hints_load_url(usePrivateWin) {
   let observed = {};
   let observer = {
     QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-    observe(aSubject, aTopic, aData) {
+    observe(aSubject, aTopic) {
       if (aTopic == "http-on-opening-request") {
         let channel = aSubject.QueryInterface(Ci.nsIHttpChannel);
         if (channel.URI.spec === expectedUrl) {
diff --git a/netwerk/test/browser/browser_103_redirect_from_server.js b/netwerk/test/browser/browser_103_redirect_from_server.js
index 0357d11516..2edf15ba97 100644
--- a/netwerk/test/browser/browser_103_redirect_from_server.js
+++ b/netwerk/test/browser/browser_103_redirect_from_server.js
@@ -111,7 +111,7 @@ async function test_hint_redirect(
   if (numRequestRemaining > 0) {
     let observer = {
       QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-      observe(aSubject, aTopic, aData) {
+      observe(aSubject, aTopic) {
         aSubject.QueryInterface(Ci.nsIIdentChannel);
         let id = aSubject.channelId;
         if (observedChannelIds.includes(id)) {
diff --git a/netwerk/test/browser/browser_NetUtil.js b/netwerk/test/browser/browser_NetUtil.js
index 09875a5280..791498f031 100644
--- a/netwerk/test/browser/browser_NetUtil.js
+++ b/netwerk/test/browser/browser_NetUtil.js
@@ -107,5 +107,5 @@ WindowListener.prototype = {
       { once: true }
     );
   },
-  onCloseWindow(aXULWindow) {},
+  onCloseWindow() {},
 };
diff --git a/netwerk/test/browser/browser_cookie_filtering_basic.js b/netwerk/test/browser/browser_cookie_filtering_basic.js
index e51bed5bc5..c5dfb622ab 100644
--- a/netwerk/test/browser/browser_cookie_filtering_basic.js
+++ b/netwerk/test/browser/browser_cookie_filtering_basic.js
@@ -104,15 +104,17 @@ async function test_basic_suite_org_duplicate() {
   let parentpid = Services.appinfo.processID;
   let pid1 = testStruct1.browser.frameLoader.remoteTab.osPid;
   let pid3 = testStruct3.browser.frameLoader.remoteTab.osPid;
-  ok(
-    parentpid != pid1,
+  Assert.notEqual(
+    parentpid,
+    pid1,
     "Parent pid should differ from content process for 1st example.org"
   );
-  ok(
-    parentpid != pid3,
+  Assert.notEqual(
+    parentpid,
+    pid3,
     "Parent pid should differ from content process for 2nd example.org"
   );
-  ok(pid1 != pid3, "Content pids should differ from each other");
+  Assert.notEqual(pid1, pid3, "Content pids should differ from each other");
 
   await SpecialPowers.spawn(
     testStruct1.browser,
diff --git a/netwerk/test/browser/browser_cookie_filtering_oa.js b/netwerk/test/browser/browser_cookie_filtering_oa.js
index f69ad09e81..13102a1954 100644
--- a/netwerk/test/browser/browser_cookie_filtering_oa.js
+++ b/netwerk/test/browser/browser_cookie_filtering_oa.js
@@ -119,9 +119,21 @@ async function test_private() {
   let parentpid = Services.appinfo.processID;
   let privatePid = testStruct5.browser.frameLoader.remoteTab.osPid;
   let pid = testStruct2.browser.frameLoader.remoteTab.osPid;
-  ok(parentpid != privatePid, "Parent and private processes are unique");
-  ok(parentpid != pid, "Parent and non-private processes are unique");
-  ok(privatePid != pid, "Private and non-private processes are unique");
+  Assert.notEqual(
+    parentpid,
+    privatePid,
+    "Parent and private processes are unique"
+  );
+  Assert.notEqual(
+    parentpid,
+    pid,
+    "Parent and non-private processes are unique"
+  );
+  Assert.notEqual(
+    privatePid,
+    pid,
+    "Private and non-private processes are unique"
+  );
 
   // example.com
   await SpecialPowers.spawn(
diff --git a/netwerk/test/browser/browser_cookie_sync_across_tabs.js b/netwerk/test/browser/browser_cookie_sync_across_tabs.js
index 127bb2555b..483169ed44 100644
--- a/netwerk/test/browser/browser_cookie_sync_across_tabs.js
+++ b/netwerk/test/browser/browser_cookie_sync_across_tabs.js
@@ -34,7 +34,7 @@ add_task(async function () {
   let pid2 = browser2.frameLoader.remoteTab.osPid;
 
   // Note, this might not be true once fission is implemented (Bug 1451850)
-  ok(pid1 != pid2, "We should have different processes here.");
+  Assert.notEqual(pid1, pid2, "We should have different processes here.");
 
   await SpecialPowers.spawn(browser1, [], async function () {
     is(content.document.cookie, "", "Expecting no cookies");
diff --git a/netwerk/test/browser/browser_nsIFormPOSTActionChannel.js b/netwerk/test/browser/browser_nsIFormPOSTActionChannel.js
index e791794579..20ef3840f3 100644
--- a/netwerk/test/browser/browser_nsIFormPOSTActionChannel.js
+++ b/netwerk/test/browser/browser_nsIFormPOSTActionChannel.js
@@ -26,7 +26,7 @@ CustomProtocolHandler.prototype = {
   newChannel(aURI, aLoadInfo) {
     return new CustomChannel(aURI, aLoadInfo);
   },
-  allowPort(port, scheme) {
+  allowPort(port) {
     return port != -1;
   },
 
@@ -56,7 +56,7 @@ CustomChannel.prototype = {
   set uploadStream(val) {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
-  setUploadStream(aStream, aContentType, aContentLength) {
+  setUploadStream(aStream) {
     this._uploadStream = aStream;
   },
 
@@ -172,7 +172,7 @@ document.getElementById('form').submit();
   get status() {
     return Cr.NS_OK;
   },
-  cancel(status) {},
+  cancel() {},
   loadGroup: null,
   loadFlags:
     Ci.nsIRequest.LOAD_NORMAL |
diff --git a/netwerk/test/browser/browser_test_io_activity.js b/netwerk/test/browser/browser_test_io_activity.js
index 1e9cb29b6d..b6f498ed5f 100644
--- a/netwerk/test/browser/browser_test_io_activity.js
+++ b/netwerk/test/browser/browser_test_io_activity.js
@@ -35,8 +35,8 @@ add_task(async function testRequestIOActivity() {
   waitForExplicitFinish();
   Services.obs.notifyObservers(null, "profile-initial-state");
 
-  await BrowserTestUtils.withNewTab(TEST_URL, async function (browser) {
-    await BrowserTestUtils.withNewTab(TEST_URL2, async function (browser) {
+  await BrowserTestUtils.withNewTab(TEST_URL, async function () {
+    await BrowserTestUtils.withNewTab(TEST_URL2, async function () {
       let results = await ChromeUtils.requestIOActivity();
       processResults(results);
 
diff --git a/netwerk/test/gtest/TestCacheControlParser.cpp b/netwerk/test/gtest/TestCacheControlParser.cpp
new file mode 100644
index 0000000000..df1cd9ec73
--- /dev/null
+++ b/netwerk/test/gtest/TestCacheControlParser.cpp
@@ -0,0 +1,64 @@
+#include "gtest/gtest.h"
+
+#include "CacheControlParser.h"
+
+using namespace mozilla;
+using namespace mozilla::net;
+
+TEST(TestCacheControlParser, NegativeMaxAge)
+{
+  CacheControlParser cc(
+      "no-store,no-cache,max-age=-3600,max-stale=7,private"_ns);
+  ASSERT_TRUE(cc.NoStore());
+  ASSERT_TRUE(cc.NoCache());
+  uint32_t max_age{2};
+  ASSERT_FALSE(cc.MaxAge(&max_age));
+  ASSERT_EQ(max_age, 0U);
+  uint32_t max_stale;
+  ASSERT_TRUE(cc.MaxStale(&max_stale));
+  ASSERT_EQ(max_stale, 7U);
+  ASSERT_TRUE(cc.Private());
+}
+
+TEST(TestCacheControlParser, EmptyMaxAge)
+{
+  CacheControlParser cc("no-store,no-cache,max-age,max-stale=77,private"_ns);
+  ASSERT_TRUE(cc.NoStore());
+  ASSERT_TRUE(cc.NoCache());
+  uint32_t max_age{5};
+  ASSERT_FALSE(cc.MaxAge(&max_age));
+  ASSERT_EQ(max_age, 0U);
+  uint32_t max_stale;
+  ASSERT_TRUE(cc.MaxStale(&max_stale));
+  ASSERT_EQ(max_stale, 77U);
+  ASSERT_TRUE(cc.Private());
+}
+
+TEST(TestCacheControlParser, NegaTiveMaxStale)
+{
+  CacheControlParser cc(
+      "no-store,no-cache,max-age=3600,max-stale=-222,private"_ns);
+  ASSERT_TRUE(cc.NoStore());
+  ASSERT_TRUE(cc.NoCache());
+  uint32_t max_age;
+  ASSERT_TRUE(cc.MaxAge(&max_age));
+  ASSERT_EQ(max_age, 3600U);
+  uint32_t max_stale;
+  ASSERT_TRUE(cc.MaxStale(&max_stale));
+  ASSERT_EQ(max_stale, PR_UINT32_MAX);
+  ASSERT_TRUE(cc.Private());
+}
+
+TEST(TestCacheControlParser, EmptyMaxStale)
+{
+  CacheControlParser cc("no-store,no-cache,max-age=3600,max-stale,private"_ns);
+  ASSERT_TRUE(cc.NoStore());
+  ASSERT_TRUE(cc.NoCache());
+  uint32_t max_age;
+  ASSERT_TRUE(cc.MaxAge(&max_age));
+  ASSERT_EQ(max_age, 3600U);
+  uint32_t max_stale;
+  ASSERT_TRUE(cc.MaxStale(&max_stale));
+  ASSERT_EQ(max_stale, PR_UINT32_MAX);
+  ASSERT_TRUE(cc.Private());
+}
diff --git a/netwerk/test/gtest/moz.build b/netwerk/test/gtest/moz.build
index b6d82b41db..571c908707 100644
--- a/netwerk/test/gtest/moz.build
+++ b/netwerk/test/gtest/moz.build
@@ -8,6 +8,7 @@ UNIFIED_SOURCES += [
     "TestBase64Stream.cpp",
     "TestBind.cpp",
     "TestBufferedInputStream.cpp",
+    "TestCacheControlParser.cpp",
     "TestCommon.cpp",
     "TestCookie.cpp",
     "TestDNSPacket.cpp",
@@ -47,7 +48,7 @@ if CONFIG["OS_TARGET"] == "WINNT":
     UNIFIED_SOURCES += ["TestNetworkLinkIdHashingWindows.cpp"]
 
 # run the test on mac only
-if CONFIG["OS_TARGET"] == "Darwin":
+if CONFIG["TARGET_OS"] == "OSX":
     UNIFIED_SOURCES += ["TestNetworkLinkIdHashingDarwin.cpp"]
 
 TEST_HARNESS_FILES.gtest += [
@@ -61,6 +62,7 @@ USE_LIBS += [
 LOCAL_INCLUDES += [
     "/netwerk/base",
     "/netwerk/cookie",
+    "/netwerk/protocol/http",
     "/toolkit/components/jsoncpp/include",
     "/xpcom/tests/gtest",
 ]
@@ -70,7 +72,7 @@ if CONFIG["OS_TARGET"] == "WINNT":
     LOCAL_INCLUDES += ["/netwerk/system/win32"]
 
 # mac includes only
-if CONFIG["OS_TARGET"] == "Darwin":
+if CONFIG["TARGET_OS"] == "OSX":
     LOCAL_INCLUDES += ["/netwerk/system/mac"]
 
 include("/ipc/chromium/chromium-config.mozbuild")
diff --git a/netwerk/test/http3server/Cargo.toml b/netwerk/test/http3server/Cargo.toml
index 24fdd28137..60ff22c530 100644
--- a/netwerk/test/http3server/Cargo.toml
+++ b/netwerk/test/http3server/Cargo.toml
@@ -6,10 +6,10 @@ edition = "2018"
 license = "MPL-2.0"
 
 [dependencies]
-neqo-transport = { tag = "v0.7.0", git = "https://github.com/mozilla/neqo" }
-neqo-common = { tag = "v0.7.0", git = "https://github.com/mozilla/neqo" }
-neqo-http3 = { tag = "v0.7.0", git = "https://github.com/mozilla/neqo" }
-neqo-qpack = { tag = "v0.7.0", git = "https://github.com/mozilla/neqo" }
+neqo-transport = { tag = "v0.7.2", git = "https://github.com/mozilla/neqo" }
+neqo-common = { tag = "v0.7.2", git = "https://github.com/mozilla/neqo" }
+neqo-http3 = { tag = "v0.7.2", git = "https://github.com/mozilla/neqo" }
+neqo-qpack = { tag = "v0.7.2", git = "https://github.com/mozilla/neqo" }
 mio = "0.6.17"
 mio-extras = "2.0.5"
 log = "0.4.0"
@@ -21,7 +21,7 @@ tokio = { version = "1", features = ["rt-multi-thread"] }
 mozilla-central-workspace-hack = { version = "0.1", features = ["http3server"], optional = true }
 
 [dependencies.neqo-crypto]
-tag = "v0.7.0"
+tag = "v0.7.2"
 git = "https://github.com/mozilla/neqo"
 default-features = false
 features = ["gecko"]
diff --git a/netwerk/test/httpserver/httpd.sys.mjs b/netwerk/test/httpserver/httpd.sys.mjs
index 569e4d1489..b9d728d631 100644
--- a/netwerk/test/httpserver/httpd.sys.mjs
+++ b/netwerk/test/httpserver/httpd.sys.mjs
@@ -450,7 +450,7 @@ nsHttpServer.prototype = {
    *   was stopped using nsIHttpServer.stop)
    * @see nsIServerSocketListener.onStopListening
    */
-  onStopListening(socket, status) {
+  onStopListening(socket) {
     dumpn(">>> shutting down server on port " + socket.port);
     for (var n in this._connections) {
       if (!this._connections[n]._requestStarted) {
@@ -4430,7 +4430,7 @@ Response.prototype = {
 
     var response = this;
     var copyObserver = {
-      onStartRequest(request) {
+      onStartRequest() {
         dumpn("*** preamble copying started");
       },
 
@@ -4488,7 +4488,7 @@ Response.prototype = {
 
     var response = this;
     var copyObserver = {
-      onStartRequest(request) {
+      onStartRequest() {
         dumpn("*** onStartRequest");
       },
 
diff --git a/netwerk/test/httpserver/test/data/sjs/range-checker.sjs b/netwerk/test/httpserver/test/data/sjs/range-checker.sjs
index 4bc447f739..b73064a568 100644
--- a/netwerk/test/httpserver/test/data/sjs/range-checker.sjs
+++ b/netwerk/test/httpserver/test/data/sjs/range-checker.sjs
@@ -1 +1 @@
-function handleRequest(request, response) {}
+function handleRequest() {}
diff --git a/netwerk/test/httpserver/test/test_body_length.js b/netwerk/test/httpserver/test/test_body_length.js
index 85f35d7441..80c548274f 100644
--- a/netwerk/test/httpserver/test/test_body_length.js
+++ b/netwerk/test/httpserver/test/test_body_length.js
@@ -22,7 +22,7 @@ function run_test() {
 
 const REQUEST_DATA = "12345678901234567";
 
-function contentLength(request, response) {
+function contentLength(request) {
   Assert.equal(request.method, "POST");
   Assert.equal(request.getHeader("Content-Length"), "017");
 
diff --git a/netwerk/test/httpserver/test/test_errorhandler_exception.js b/netwerk/test/httpserver/test/test_errorhandler_exception.js
index e9cdb0bf4f..5167ed23a8 100644
--- a/netwerk/test/httpserver/test/test_errorhandler_exception.js
+++ b/netwerk/test/httpserver/test/test_errorhandler_exception.js
@@ -78,18 +78,18 @@ function start_multiple_exceptions_500(ch) {
   checkStatusLine(ch, 1, 1, 500, "Internal Server Error");
 }
 
-function succeeded(ch, status, data) {
+function succeeded(ch, status) {
   Assert.ok(Components.isSuccessCode(status));
 }
 
-function register400Handler(ch) {
+function register400Handler() {
   srv.registerErrorHandler(400, throwsException);
 }
 
 // PATH HANDLERS
 
 // /throws/exception (and also a 404 and 400 error handler)
-function throwsException(metadata, response) {
+function throwsException() {
   throw new Error("this shouldn't cause an exit...");
   do_throw("Not reached!"); // eslint-disable-line no-unreachable
 }
diff --git a/netwerk/test/httpserver/test/test_processasync.js b/netwerk/test/httpserver/test/test_processasync.js
index 321c9b086f..d652860a25 100644
--- a/netwerk/test/httpserver/test/test_processasync.js
+++ b/netwerk/test/httpserver/test/test_processasync.js
@@ -181,7 +181,7 @@ handlers["/handleAsync2"] = handleAsync2;
 
 var startTime_handleAsync2;
 
-function init_handleAsync2(ch) {
+function init_handleAsync2() {
   var now = (startTime_handleAsync2 = Date.now());
   dumpn("*** init_HandleAsync2: start time " + now);
 }
diff --git a/netwerk/test/httpserver/test/test_setindexhandler.js b/netwerk/test/httpserver/test/test_setindexhandler.js
index e65f565673..644edd404b 100644
--- a/netwerk/test/httpserver/test/test_setindexhandler.js
+++ b/netwerk/test/httpserver/test/test_setindexhandler.js
@@ -44,7 +44,7 @@ function stopCustomIndexHandler(ch, status, data) {
 function startDefaultIndexHandler(ch) {
   Assert.equal(ch.responseStatus, 200);
 }
-function stopDefaultIndexHandler(ch, status, data) {
+function stopDefaultIndexHandler(ch, status) {
   Assert.ok(Components.isSuccessCode(status));
 }
 
diff --git a/netwerk/test/httpserver/test/test_setstatusline.js b/netwerk/test/httpserver/test/test_setstatusline.js
index f9cc189a68..b4749fd8e5 100644
--- a/netwerk/test/httpserver/test/test_setstatusline.js
+++ b/netwerk/test/httpserver/test/test_setstatusline.js
@@ -69,11 +69,11 @@ ChromeUtils.defineLazyGetter(this, "tests", function () {
 });
 
 // /no/setstatusline
-function noSetstatusline(metadata, response) {}
+function noSetstatusline() {}
 function startNoSetStatusLine(ch) {
   checkStatusLine(ch, 1, 1, 200, "OK");
 }
-function stop(ch, status, data) {
+function stop(ch, status) {
   Assert.ok(Components.isSuccessCode(status));
 }
 
diff --git a/netwerk/test/httpserver/test/test_sjs.js b/netwerk/test/httpserver/test/test_sjs.js
index 51d92ec4e0..71d04f8727 100644
--- a/netwerk/test/httpserver/test/test_sjs.js
+++ b/netwerk/test/httpserver/test/test_sjs.js
@@ -210,7 +210,7 @@ tests.push(test);
 // extension of the file on the server, not by the extension of the requested
 // path.
 
-function setupFileMapping(ch) {
+function setupFileMapping() {
   srv.registerFile("/script.html", sjs);
 }
 
diff --git a/netwerk/test/httpserver/test/test_sjs_object_state.js b/netwerk/test/httpserver/test/test_sjs_object_state.js
index 30c1e5c064..42402a8716 100644
--- a/netwerk/test/httpserver/test/test_sjs_object_state.js
+++ b/netwerk/test/httpserver/test/test_sjs_object_state.js
@@ -56,7 +56,7 @@ function run_test() {
  */
 
 var initialStarted = false;
-function initialStart(ch) {
+function initialStart() {
   dumpn("*** initialStart");
 
   if (initialStarted) {
@@ -106,7 +106,7 @@ function initialStop(ch, status, data) {
 }
 
 var intermediateStarted = false;
-function intermediateStart(ch) {
+function intermediateStart() {
   dumpn("*** intermediateStart");
 
   Assert.notEqual(srv.getObjectState("object-state-test"), null);
@@ -152,7 +152,7 @@ function intermediateStop(ch, status, data) {
 }
 
 var triggerStarted = false;
-function triggerStart(ch) {
+function triggerStart() {
   dumpn("*** triggerStart");
 
   if (!initialStarted) {
diff --git a/netwerk/test/mochitests/file_1331680.js b/netwerk/test/mochitests/file_1331680.js
index 868d6991ae..c99e1d399d 100644
--- a/netwerk/test/mochitests/file_1331680.js
+++ b/netwerk/test/mochitests/file_1331680.js
@@ -13,12 +13,12 @@ var observer = {
   },
 };
 
-addMessageListener("createObserver", function (e) {
+addMessageListener("createObserver", function () {
   Services.obs.addObserver(observer, "cookie-changed");
   sendAsyncMessage("createObserver:return");
 });
 
-addMessageListener("removeObserver", function (e) {
+addMessageListener("removeObserver", function () {
   Services.obs.removeObserver(observer, "cookie-changed");
   sendAsyncMessage("removeObserver:return");
 });
diff --git a/netwerk/test/mochitests/test_1396395.html b/netwerk/test/mochitests/test_1396395.html
index dcfb952b3a..ecbd01da16 100644
--- a/netwerk/test/mochitests/test_1396395.html
+++ b/netwerk/test/mochitests/test_1396395.html
@@ -13,7 +13,7 @@ SimpleTest.waitForExplicitFinish();
 
 var script = SpecialPowers.loadChromeScript(() => {
   /* eslint-env mozilla/chrome-script */
-  Services.obs.addObserver(function onExamResp(subject, topic, data) {
+  Services.obs.addObserver(function onExamResp(subject) {
     let channel = subject.QueryInterface(Ci.nsIHttpChannel);
     if (!channel.URI.spec.startsWith("http://example.org")) {
       return;
diff --git a/netwerk/test/mochitests/test_idn_redirect.html b/netwerk/test/mochitests/test_idn_redirect.html
index cc920665b3..8445f440e8 100644
--- a/netwerk/test/mochitests/test_idn_redirect.html
+++ b/netwerk/test/mochitests/test_idn_redirect.html
@@ -24,7 +24,7 @@ iframe.addEventListener("load", finishTest);
 document.body.appendChild(iframe);
 iframe.src = "http://mochi.test:8888/tests/netwerk/test/mochitests/redirect_idn.html";
 
-function finishTest(e) {
+function finishTest() {
   ok(true);
   SimpleTest.finish();
 }
diff --git a/netwerk/test/mochitests/test_origin_header.html b/netwerk/test/mochitests/test_origin_header.html
index f90887ddf0..4d096e75c6 100644
--- a/netwerk/test/mochitests/test_origin_header.html
+++ b/netwerk/test/mochitests/test_origin_header.html
@@ -193,7 +193,7 @@ function frameLoaded(test, check)
 
 function submitForm(test, check)
 {
-     return new Promise((resolve, reject) => {
+     return new Promise((resolve) => {
          document.getElementById(check.frameID).onload = () => {
              frameLoaded(test, check);
              resolve();
@@ -204,7 +204,7 @@ function submitForm(test, check)
 
 function loadIframe(test, check)
 {
-    return new Promise((resolve, reject) => {
+    return new Promise((resolve) => {
         let frame = SpecialPowers.wrap(window.document.getElementById(check.frameID));
         frame.onload = function () {
             // Ignore the first load and wait for the submitted form instead.
@@ -220,7 +220,7 @@ function loadIframe(test, check)
 
 function loadSrcDocFrame(test, check)
 {
-    return new Promise((resolve, reject) => {
+    return new Promise((resolve) => {
         let frame = SpecialPowers.wrap(window.document.getElementById(check.frameID));
         frame.onload = function () {
             // Ignore the first load and wait for the submitted form instead.
@@ -240,7 +240,7 @@ function loadSrcDocFrame(test, check)
 
 function loadDataURIFrame(test, check)
 {
-    return new Promise((resolve, reject) => {
+    return new Promise((resolve) => {
         let frame = SpecialPowers.wrap(window.document.getElementById(check.frameID));
         frame.onload = function () {
             // Ignore the first load and wait for the submitted form instead.
@@ -262,7 +262,7 @@ async function resetFrames()
 {
     let checkPromises = [];
     for (let check of checksToRun) {
-        checkPromises.push(new Promise((resolve, reject) => {
+        checkPromises.push(new Promise((resolve) => {
             let frame = document.getElementById(check.frameID);
             frame.onload = () => resolve();
             if (check.srcdoc) {
diff --git a/netwerk/test/mochitests/test_partially_cached_content.html b/netwerk/test/mochitests/test_partially_cached_content.html
index 8b6df555f8..8dc93e2c81 100644
--- a/netwerk/test/mochitests/test_partially_cached_content.html
+++ b/netwerk/test/mochitests/test_partially_cached_content.html
@@ -26,7 +26,7 @@
 
 /* Check that the iframe has initial content only after the first load.
  */
-function expectInitialContent(e) {
+function expectInitialContent() {
   info("expectInitialContent",
        "First response received: should have partial content");
   var frameElement = document.getElementById('contentFrame');
@@ -57,7 +57,7 @@ function expectInitialContent(e) {
 
 /* Check that the iframe has all the content after the second load.
  */
-function expectFullContent(e)
+function expectFullContent()
 {
   info("expectFullContent",
        "Second response received: should complete content from first load");
diff --git a/netwerk/test/mochitests/test_redirect_ref.html b/netwerk/test/mochitests/test_redirect_ref.html
index 0b234695d4..33f4031d28 100644
--- a/netwerk/test/mochitests/test_redirect_ref.html
+++ b/netwerk/test/mochitests/test_redirect_ref.html
@@ -18,7 +18,7 @@ iframe.addEventListener("load", finishTest);
 document.body.appendChild(iframe);
 iframe.src = "redirect.sjs#start";
 
-function finishTest(e) {
+function finishTest() {
   is(iframe.contentWindow.location.href, "http://mochi.test:8888/tests/netwerk/test/mochitests/empty.html#");
   SimpleTest.finish();
 }
diff --git a/netwerk/test/mochitests/test_rel_preconnect.html b/netwerk/test/mochitests/test_rel_preconnect.html
index c7e0bada07..a0c3309954 100644
--- a/netwerk/test/mochitests/test_rel_preconnect.html
+++ b/netwerk/test/mochitests/test_rel_preconnect.html
@@ -19,7 +19,7 @@ async function doTest()
 {
   await SpecialPowers.setBoolPref("network.http.debug-observations", true);
 
-  observer = SpecialPowers.wrapCallback(function(subject, topic, data) {
+  observer = SpecialPowers.wrapCallback(function() {
     remainder--;
     ok(true, "observed remainder = " + remainder);
     if (!remainder) {
diff --git a/netwerk/test/unit/head_cache.js b/netwerk/test/unit/head_cache.js
index 7ec0e11f97..bf86e5d186 100644
--- a/netwerk/test/unit/head_cache.js
+++ b/netwerk/test/unit/head_cache.js
@@ -84,7 +84,7 @@ function syncWithCacheIOThread(callback, force) {
       "disk",
       Ci.nsICacheStorage.OPEN_READONLY,
       null,
-      function (status, entry) {
+      function (status) {
         Assert.equal(status, Cr.NS_ERROR_CACHE_KEY_NOT_FOUND);
         callback();
       }
diff --git a/netwerk/test/unit/head_cache2.js b/netwerk/test/unit/head_cache2.js
index f7c865872a..3c5871ccbb 100644
--- a/netwerk/test/unit/head_cache2.js
+++ b/netwerk/test/unit/head_cache2.js
@@ -71,8 +71,8 @@ function pumpReadStream(inputStream, goon) {
     pump.init(inputStream, 0, 0, true);
     let data = "";
     pump.asyncRead({
-      onStartRequest(aRequest) {},
-      onDataAvailable(aRequest, aInputStream, aOffset, aCount) {
+      onStartRequest() {},
+      onDataAvailable(aRequest, aInputStream) {
         var wrapper = Cc["@mozilla.org/scriptableinputstream;1"].createInstance(
           Ci.nsIScriptableInputStream
         );
@@ -422,7 +422,7 @@ function wait_for_cache_index(continue_func) {
 }
 
 function finish_cache2_test() {
-  callbacks.forEach(function (callback, index) {
+  callbacks.forEach(function (callback) {
     callback.selfCheck();
   });
   do_test_finished();
diff --git a/netwerk/test/unit/head_channels.js b/netwerk/test/unit/head_channels.js
index 140135339a..ca16bd2835 100644
--- a/netwerk/test/unit/head_channels.js
+++ b/netwerk/test/unit/head_channels.js
@@ -274,12 +274,10 @@ ChannelEventSink.prototype = {
 /**
  * A helper class to construct origin attributes.
  */
-function OriginAttributes(inIsolatedMozBrowser, privateId) {
-  this.inIsolatedMozBrowser = inIsolatedMozBrowser;
+function OriginAttributes(privateId) {
   this.privateBrowsingId = privateId;
 }
 OriginAttributes.prototype = {
-  inIsolatedMozBrowser: false,
   privateBrowsingId: 0,
 };
 
@@ -525,3 +523,27 @@ function makeHTTPChannel(url, with_proxy) {
     loadUsingSystemPrincipal: true,
   }).QueryInterface(Ci.nsIHttpChannel);
 }
+
+// Like ChannelListener but does not throw an exception if something
+// goes wrong. Callback is supposed to do all the work.
+class SimpleChannelListener {
+  constructor(callback) {
+    this._onStopCallback = callback;
+    this._buffer = "";
+  }
+  get QueryInterface() {
+    return ChromeUtils.generateQI(["nsIStreamListener", "nsIRequestObserver"]);
+  }
+
+  onStartRequest() {}
+
+  onDataAvailable(request, stream, offset, count) {
+    this._buffer = this._buffer.concat(read_stream(stream, count));
+  }
+
+  onStopRequest(request) {
+    if (this._onStopCallback) {
+      this._onStopCallback(request, this._buffer);
+    }
+  }
+}
diff --git a/netwerk/test/unit/head_cookies.js b/netwerk/test/unit/head_cookies.js
index 037068689f..9c7885fb66 100644
--- a/netwerk/test/unit/head_cookies.js
+++ b/netwerk/test/unit/head_cookies.js
@@ -59,7 +59,7 @@ function _observer(generator, topic) {
 }
 
 _observer.prototype = {
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     Assert.equal(this.topic, topic);
 
     Services.obs.removeObserver(this, this.topic);
@@ -93,7 +93,7 @@ function _promise_observer(topic) {
 }
 
 _promise_observer.prototype = {
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     Assert.equal(this.topic, topic);
 
     Services.obs.removeObserver(this, this.topic);
diff --git a/netwerk/test/unit/head_http3.js b/netwerk/test/unit/head_http3.js
index 56bc04db14..fe1e908e01 100644
--- a/netwerk/test/unit/head_http3.js
+++ b/netwerk/test/unit/head_http3.js
@@ -44,13 +44,13 @@ CheckHttp3Listener.prototype = {
   expectedRoute: "",
   http3version: "",
 
-  onStartRequest: function testOnStartRequest(request) {},
+  onStartRequest: function testOnStartRequest() {},
 
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let routed = "NA";
     try {
       routed = request.getRequestHeader("Alt-Used");
diff --git a/netwerk/test/unit/head_servers.js b/netwerk/test/unit/head_servers.js
index d2d449b482..b8087e496f 100644
--- a/netwerk/test/unit/head_servers.js
+++ b/netwerk/test/unit/head_servers.js
@@ -327,21 +327,31 @@ class BaseProxyCode {
     // Connect to an origin server
     const { port, hostname } = new URL(`https://${req.url}`);
     const serverSocket = net
-      .connect(port || 443, hostname, () => {
-        clientSocket.write(
-          "HTTP/1.1 200 Connection Established\r\n" +
-            "Proxy-agent: Node.js-Proxy\r\n" +
-            "\r\n"
-        );
-        serverSocket.write(head);
-        serverSocket.pipe(clientSocket);
-        clientSocket.pipe(serverSocket);
-      })
+      .connect(
+        {
+          port: port || 443,
+          host: hostname,
+          family: 4, // Specifies to use IPv4
+        },
+        () => {
+          clientSocket.write(
+            "HTTP/1.1 200 Connection Established\r\n" +
+              "Proxy-agent: Node.js-Proxy\r\n" +
+              "\r\n"
+          );
+          serverSocket.write(head);
+          serverSocket.pipe(clientSocket);
+          clientSocket.pipe(serverSocket);
+        }
+      )
       .on("error", e => {
+        console.log("error" + e);
         // The socket will error out when we kill the connection
         // just ignore it.
       });
+
     clientSocket.on("error", e => {
+      console.log("client error" + e);
       // Sometimes we got ECONNRESET error on windows platform.
       // Ignore it for now.
     });
@@ -848,22 +858,22 @@ class WebSocketConnection {
     ]);
   }
 
-  onAcknowledge(aContext, aSize) {}
+  onAcknowledge() {}
   onBinaryMessageAvailable(aContext, aMsg) {
     this._messages.push(aMsg);
     this._msgCallback();
   }
-  onMessageAvailable(aContext, aMsg) {}
-  onServerClose(aContext, aCode, aReason) {}
-  onWebSocketListenerStart(aContext) {}
-  onStart(aContext) {
+  onMessageAvailable() {}
+  onServerClose() {}
+  onWebSocketListenerStart() {}
+  onStart() {
     this._openCallback();
   }
   onStop(aContext, aStatusCode) {
     this._stopCallback({ status: aStatusCode });
     this._ws = null;
   }
-  onProxyAvailable(req, chan, proxyInfo, status) {
+  onProxyAvailable(req, chan, proxyInfo) {
     if (proxyInfo) {
       this._proxyAvailCallback({ type: proxyInfo.type });
     } else {
diff --git a/netwerk/test/unit/head_trr.js b/netwerk/test/unit/head_trr.js
index 8262c735de..00624e2c96 100644
--- a/netwerk/test/unit/head_trr.js
+++ b/netwerk/test/unit/head_trr.js
@@ -263,7 +263,7 @@ function answerHandler(req, resp) {
       answers: response.answers || [],
       additionals: response.additionals || [],
     });
-    let writeResponse = (resp2, buf2, context) => {
+    let writeResponse = (resp2, buf2) => {
       try {
         let data = buf2.toString("hex");
         resp2.setHeader("Content-Length", data.length);
diff --git a/netwerk/test/unit/head_websocket.js b/netwerk/test/unit/head_websocket.js
index 84c5987f38..1ac2e09ae5 100644
--- a/netwerk/test/unit/head_websocket.js
+++ b/netwerk/test/unit/head_websocket.js
@@ -17,16 +17,16 @@ WebSocketListener.prototype = {
   _received: null,
   QueryInterface: ChromeUtils.generateQI(["nsIWebSocketListener"]),
 
-  onAcknowledge(aContext, aSize) {},
+  onAcknowledge() {},
   onBinaryMessageAvailable(aContext, aMsg) {
     info("WsListener::onBinaryMessageAvailable");
     this._received = aMsg;
     this._ws.close(0, null);
   },
-  onMessageAvailable(aContext, aMsg) {},
-  onServerClose(aContext, aCode, aReason) {},
-  onWebSocketListenerStart(aContext) {},
-  onStart(aContext) {
+  onMessageAvailable() {},
+  onServerClose() {},
+  onWebSocketListenerStart() {},
+  onStart() {
     this._ws.sendMsg(this._sentMsg);
   },
   onStop(aContext, aStatusCode) {
diff --git a/netwerk/test/unit/http2_test_common.js b/netwerk/test/unit/http2_test_common.js
index 341aa191da..1fa1df8ad2 100644
--- a/netwerk/test/unit/http2_test_common.js
+++ b/netwerk/test/unit/http2_test_common.js
@@ -123,7 +123,7 @@ Http2MultiplexListener.prototype.onDataAvailable = function (
   this.buffer = this.buffer.concat(data);
 };
 
-Http2MultiplexListener.prototype.onStopRequest = function (request, status) {
+Http2MultiplexListener.prototype.onStopRequest = function (request) {
   Assert.ok(this.onStartRequestFired);
   Assert.ok(this.onDataAvailableFired);
   Assert.ok(this.isHttp2Connection);
@@ -290,7 +290,7 @@ Http2BigListener.prototype.onDataAvailable = function (
   Assert.equal(bigListenerMD5, request.getResponseHeader("X-Expected-MD5"));
 };
 
-Http2BigListener.prototype.onStopRequest = function (request, status) {
+Http2BigListener.prototype.onStopRequest = function (request) {
   Assert.ok(this.onStartRequestFired);
   Assert.ok(this.onDataAvailableFired);
   Assert.ok(this.isHttp2Connection);
@@ -320,10 +320,7 @@ Http2HugeSuspendedListener.prototype.onDataAvailable = function (
   read_stream(stream, cnt);
 };
 
-Http2HugeSuspendedListener.prototype.onStopRequest = function (
-  request,
-  status
-) {
+Http2HugeSuspendedListener.prototype.onStopRequest = function (request) {
   Assert.ok(this.onStartRequestFired);
   Assert.ok(this.onDataAvailableFired);
   Assert.ok(this.isHttp2Connection);
@@ -470,7 +467,7 @@ async function test_http2_xhr(serverPort) {
   return new Promise(resolve => {
     var req = new XMLHttpRequest();
     req.open("GET", `https://localhost:${serverPort}/`, true);
-    req.addEventListener("readystatechange", function (evt) {
+    req.addEventListener("readystatechange", function () {
       checkXhr(req, resolve);
     });
     req.send(null);
@@ -485,7 +482,7 @@ Http2ConcurrentListener.prototype.target = 0;
 Http2ConcurrentListener.prototype.reset = 0;
 Http2ConcurrentListener.prototype.recvdHdr = 0;
 
-Http2ConcurrentListener.prototype.onStopRequest = function (request, status) {
+Http2ConcurrentListener.prototype.onStopRequest = function (request) {
   this.count++;
   Assert.ok(this.isHttp2Connection);
   if (this.recvdHdr > 0) {
@@ -814,7 +811,7 @@ altsvcClientListener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR(request) {
     var isHttp2Connection = checkIsHttp2(
       request.QueryInterface(Ci.nsIHttpChannel)
     );
@@ -875,7 +872,7 @@ altsvcClientListener2.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR(request) {
     var isHttp2Connection = checkIsHttp2(
       request.QueryInterface(Ci.nsIHttpChannel)
     );
@@ -959,7 +956,7 @@ Http2PushApiListener.prototype = {
   },
 
   // normal Channel listeners
-  onStartRequest: function pushAPIOnStart(request) {},
+  onStartRequest: function pushAPIOnStart() {},
 
   onDataAvailable: function pushAPIOnDataAvailable(
     request,
@@ -997,7 +994,7 @@ Http2PushApiListener.prototype = {
     }
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR(request) {
     if (
       request.originalURI.spec ==
       `https://localhost:${this.serverPort}/pushapi1/2`
@@ -1100,10 +1097,7 @@ function H11RequiredSessionListener() {}
 
 H11RequiredSessionListener.prototype = new Http2CheckListener();
 
-H11RequiredSessionListener.prototype.onStopRequest = function (
-  request,
-  status
-) {
+H11RequiredSessionListener.prototype.onStopRequest = function (request) {
   var streamReused = request.getResponseHeader("X-H11Required-Stream-Ok");
   Assert.equal(streamReused, "yes");
 
@@ -1151,14 +1145,29 @@ async function test_http2_continuations(loadGroup, serverPort) {
   });
 }
 
+async function test_http2_continuations_over_max_response_limit(
+  loadGroup,
+  serverPort
+) {
+  var chan = makeHTTPChannel(
+    `https://localhost:${serverPort}/hugecontinuedheaders?size=385`
+  );
+  chan.loadGroup = loadGroup;
+  return new Promise(resolve => {
+    var listener = new Http2CheckListener();
+    listener.finish = resolve;
+    listener.shouldSucceed = false;
+    chan.asyncOpen(listener);
+  });
+}
+
 function Http2IllegalHpackValidationListener() {}
 
 Http2IllegalHpackValidationListener.prototype = new Http2CheckListener();
 Http2IllegalHpackValidationListener.prototype.shouldGoAway = false;
 
 Http2IllegalHpackValidationListener.prototype.onStopRequest = function (
-  request,
-  status
+  request
 ) {
   var wentAway = request.getResponseHeader("X-Did-Goaway") === "yes";
   Assert.equal(wentAway, this.shouldGoAway);
@@ -1176,7 +1185,7 @@ function Http2IllegalHpackListener() {}
 Http2IllegalHpackListener.prototype = new Http2CheckListener();
 Http2IllegalHpackListener.prototype.shouldGoAway = false;
 
-Http2IllegalHpackListener.prototype.onStopRequest = function (request, status) {
+Http2IllegalHpackListener.prototype.onStopRequest = function () {
   var chan = makeHTTPChannel(
     `https://localhost:${this.serverPort}/illegalhpack_validate`
   );
diff --git a/netwerk/test/unit/node_execute/test_node_execute_loop.js b/netwerk/test/unit/node_execute/test_node_execute_loop.js
index 10400b8b54..44871c65c2 100644
--- a/netwerk/test/unit/node_execute/test_node_execute_loop.js
+++ b/netwerk/test/unit/node_execute/test_node_execute_loop.js
@@ -16,7 +16,7 @@ add_task(async function killOnEnd() {
   await NodeServer.execute(id, `console.log("hello");`);
   await NodeServer.execute(id, `console.error("hello");`);
   // Make the forked subprocess hang forever.
-  NodeServer.execute(id, "while (true) {}").catch(e => {});
+  NodeServer.execute(id, "while (true) {}").catch(() => {});
   await new Promise(resolve => do_timeout(10, resolve));
   // Should get killed at the end of the test by the harness.
 });
diff --git a/netwerk/test/unit/test_304_headers.js b/netwerk/test/unit/test_304_headers.js
index b3583663bf..edf0e4f38c 100644
--- a/netwerk/test/unit/test_304_headers.js
+++ b/netwerk/test/unit/test_304_headers.js
@@ -66,7 +66,7 @@ add_task(async function test() {
         );
         resolve();
       },
-      onStartRequest(req) {},
+      onStartRequest() {},
       onDataAvailable() {},
     });
   });
@@ -84,7 +84,7 @@ add_task(async function test() {
         );
         resolve();
       },
-      onStartRequest(req) {},
+      onStartRequest() {},
       onDataAvailable() {},
     });
   });
diff --git a/netwerk/test/unit/test_304_responses.js b/netwerk/test/unit/test_304_responses.js
index a468eec191..c67e1d72ee 100644
--- a/netwerk/test/unit/test_304_responses.js
+++ b/netwerk/test/unit/test_304_responses.js
@@ -48,7 +48,7 @@ function run_test() {
   run_next_test();
 }
 
-function consume304(request, buffer) {
+function consume304(request) {
   request.QueryInterface(Ci.nsIHttpChannel);
   Assert.equal(request.responseStatus, 304);
   Assert.equal(request.getResponseHeader("Returned-From-Handler"), "1");
diff --git a/netwerk/test/unit/test_421.js b/netwerk/test/unit/test_421.js
index 680973384e..5125895d38 100644
--- a/netwerk/test/unit/test_421.js
+++ b/netwerk/test/unit/test_421.js
@@ -52,7 +52,7 @@ function serverHandler(metadata, response) {
   response.bodyOutputStream.write(httpbody, httpbody.length);
 }
 
-function checkRequestResponse(request, data, context) {
+function checkRequestResponse(request, data) {
   Assert.equal(channel.responseStatus, 200);
   Assert.equal(channel.responseStatusText, "OK");
   Assert.ok(channel.requestSucceeded);
diff --git a/netwerk/test/unit/test_SuperfluousAuth.js b/netwerk/test/unit/test_SuperfluousAuth.js
index 2766b00c4c..f5a710e0d8 100644
--- a/netwerk/test/unit/test_SuperfluousAuth.js
+++ b/netwerk/test/unit/test_SuperfluousAuth.js
@@ -95,7 +95,7 @@ function firstTimeThrough(request, buffer) {
   Assert.ok(gMockPromptService.firstTimeCalled, "Prompt service invoked");
 }
 
-function secondTimeThrough(request, buffer) {
+function secondTimeThrough(request) {
   Assert.equal(request.status, Cr.NS_ERROR_SUPERFLUOS_AUTH);
   httpServer.stop(do_test_finished);
 }
diff --git a/netwerk/test/unit/test_URIs.js b/netwerk/test/unit/test_URIs.js
index 548ecd5535..ae778ca6ef 100644
--- a/netwerk/test/unit/test_URIs.js
+++ b/netwerk/test/unit/test_URIs.js
@@ -618,7 +618,7 @@ function do_test_uri_with_hash_suffix(aTest, aSuffix) {
     do_check_property(aTest, testURI, "pathQueryRef", function (aStr) {
       return aStr + aSuffix;
     });
-    do_check_property(aTest, testURI, "ref", function (aStr) {
+    do_check_property(aTest, testURI, "ref", function () {
       return aSuffix.substr(1);
     });
   }
diff --git a/netwerk/test/unit/test_URIs2.js b/netwerk/test/unit/test_URIs2.js
index 3ca9706543..8101f95e8b 100644
--- a/netwerk/test/unit/test_URIs2.js
+++ b/netwerk/test/unit/test_URIs2.js
@@ -736,7 +736,7 @@ function do_test_uri_with_hash_suffix(aTest, aSuffix) {
     do_check_property(aTest, testURI, "pathQueryRef", function (aStr) {
       return aStr + aSuffix;
     });
-    do_check_property(aTest, testURI, "ref", function (aStr) {
+    do_check_property(aTest, testURI, "ref", function () {
       return aSuffix.substr(1);
     });
   }
diff --git a/netwerk/test/unit/test_about_networking.js b/netwerk/test/unit/test_about_networking.js
index 2cbae65058..b8b864c5a0 100644
--- a/netwerk/test/unit/test_about_networking.js
+++ b/netwerk/test/unit/test_about_networking.js
@@ -72,7 +72,7 @@ add_test(function test_sockets() {
     null
   );
   let listener = {
-    onTransportStatus(aTransport, aStatus, aProgress, aProgressMax) {
+    onTransportStatus(aTransport, aStatus) {
       if (aStatus == Ci.nsISocketTransport.STATUS_CONNECTED_TO) {
         gDashboard.requestSockets(function (data) {
           gServerSocket.close();
diff --git a/netwerk/test/unit/test_about_protocol.js b/netwerk/test/unit/test_about_protocol.js
index 7fc6d63c1e..972b1e3a43 100644
--- a/netwerk/test/unit/test_about_protocol.js
+++ b/netwerk/test/unit/test_about_protocol.js
@@ -12,7 +12,7 @@ var unsafeAboutModule = {
     chan.owner = Services.scriptSecurityManager.getSystemPrincipal();
     return chan;
   },
-  getURIFlags(aURI) {
+  getURIFlags() {
     return Ci.nsIAboutModule.URI_SAFE_FOR_UNTRUSTED_CONTENT;
   },
 };
diff --git a/netwerk/test/unit/test_alt-data_closeWithStatus.js b/netwerk/test/unit/test_alt-data_closeWithStatus.js
index df81419cc2..b0427f2e9a 100644
--- a/netwerk/test/unit/test_alt-data_closeWithStatus.js
+++ b/netwerk/test/unit/test_alt-data_closeWithStatus.js
@@ -32,7 +32,7 @@ var cacheFlushObserver = (cacheFlushObserver = {
 
 var currentThread = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_alt-data_cross_process.js b/netwerk/test/unit/test_alt-data_cross_process.js
index e46120f312..e3d825c7f1 100644
--- a/netwerk/test/unit/test_alt-data_cross_process.js
+++ b/netwerk/test/unit/test_alt-data_cross_process.js
@@ -21,7 +21,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_alt-data_simple.js b/netwerk/test/unit/test_alt-data_simple.js
index d648884e7a..7fa175db28 100644
--- a/netwerk/test/unit/test_alt-data_simple.js
+++ b/netwerk/test/unit/test_alt-data_simple.js
@@ -21,7 +21,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_alt-data_stream.js b/netwerk/test/unit/test_alt-data_stream.js
index 9b6bfd050a..02fe8803b1 100644
--- a/netwerk/test/unit/test_alt-data_stream.js
+++ b/netwerk/test/unit/test_alt-data_stream.js
@@ -103,7 +103,7 @@ function openAltChannel() {
 
 var altDataListener = {
   buffer: "",
-  onStartRequest(request) {},
+  onStartRequest() {},
   onDataAvailable(request, stream, offset, count) {
     let string = NetUtil.readInputStreamToString(stream, count);
     this.buffer += string;
@@ -120,7 +120,7 @@ var altDataListener = {
       os.close();
     }
   },
-  onStopRequest(request, status) {
+  onStopRequest(request) {
     var cc = request.QueryInterface(Ci.nsICacheInfoChannel);
     Assert.equal(cc.alternativeDataType, altContentType);
     Assert.equal(this.buffer.length, altContent.length);
@@ -143,12 +143,12 @@ function openAltChannelWithOriginalContent() {
 
 var originalListener = {
   buffer: "",
-  onStartRequest(request) {},
+  onStartRequest() {},
   onDataAvailable(request, stream, offset, count) {
     let string = NetUtil.readInputStreamToString(stream, count);
     this.buffer += string;
   },
-  onStopRequest(request, status) {
+  onStopRequest(request) {
     var cc = request.QueryInterface(Ci.nsICacheInfoChannel);
     Assert.equal(cc.alternativeDataType, altContentType);
     Assert.equal(this.buffer.length, responseContent.length);
diff --git a/netwerk/test/unit/test_auth_dialog_permission.js b/netwerk/test/unit/test_auth_dialog_permission.js
index a45b651588..76e92e72f5 100644
--- a/netwerk/test/unit/test_auth_dialog_permission.js
+++ b/netwerk/test/unit/test_auth_dialog_permission.js
@@ -63,7 +63,7 @@ AuthPrompt.prototype = {
 
   QueryInterface: ChromeUtils.generateQI(["nsIAuthPrompt"]),
 
-  prompt(title, text, realm, save, defaultText, result) {
+  prompt() {
     do_throw("unexpected prompt call");
   },
 
@@ -75,7 +75,7 @@ AuthPrompt.prototype = {
     return true;
   },
 
-  promptPassword(title, text, realm, save, pwd) {
+  promptPassword() {
     do_throw("unexpected promptPassword call");
   },
 };
@@ -159,7 +159,7 @@ Test.prototype = {
     throw Components.Exception("", Cr.NS_ERROR_ABORT);
   },
 
-  onDataAvailable(request, stream, offset, count) {
+  onDataAvailable() {
     do_throw("Should not get any data!");
   },
 
diff --git a/netwerk/test/unit/test_auth_jar.js b/netwerk/test/unit/test_auth_jar.js
deleted file mode 100644
index a6f1ea257c..0000000000
--- a/netwerk/test/unit/test_auth_jar.js
+++ /dev/null
@@ -1,92 +0,0 @@
-"use strict";
-
-function createURI(s) {
-  return Services.io.newURI(s);
-}
-
-function run_test() {
-  // Set up a profile.
-  do_get_profile();
-
-  var secMan = Services.scriptSecurityManager;
-  const kURI1 = "http://example.com";
-  var app = secMan.createContentPrincipal(createURI(kURI1), {});
-  var appbrowser = secMan.createContentPrincipal(createURI(kURI1), {
-    inIsolatedMozBrowser: true,
-  });
-
-  var am = Cc["@mozilla.org/network/http-auth-manager;1"].getService(
-    Ci.nsIHttpAuthManager
-  );
-  am.setAuthIdentity(
-    "http",
-    "a.example.com",
-    -1,
-    "basic",
-    "realm",
-    "",
-    "example.com",
-    "user",
-    "pass",
-    false,
-    app
-  );
-  am.setAuthIdentity(
-    "http",
-    "a.example.com",
-    -1,
-    "basic",
-    "realm",
-    "",
-    "example.com",
-    "user3",
-    "pass3",
-    false,
-    appbrowser
-  );
-
-  Services.clearData.deleteDataFromOriginAttributesPattern({
-    inIsolatedMozBrowser: true,
-  });
-
-  var domain = { value: "" },
-    user = { value: "" },
-    pass = { value: "" };
-  try {
-    am.getAuthIdentity(
-      "http",
-      "a.example.com",
-      -1,
-      "basic",
-      "realm",
-      "",
-      domain,
-      user,
-      pass,
-      false,
-      appbrowser
-    );
-    Assert.equal(false, true); // no identity should be present
-  } catch (x) {
-    Assert.equal(domain.value, "");
-    Assert.equal(user.value, "");
-    Assert.equal(pass.value, "");
-  }
-
-  am.getAuthIdentity(
-    "http",
-    "a.example.com",
-    -1,
-    "basic",
-    "realm",
-    "",
-    domain,
-    user,
-    pass,
-    false,
-    app
-  );
-  Assert.equal(domain.value, "example.com");
-  Assert.equal(user.value, "user");
-  Assert.equal(pass.value, "pass");
-}
diff --git a/netwerk/test/unit/test_auth_multiple.js b/netwerk/test/unit/test_auth_multiple.js
index 3cf039ea7d..9574c39b9b 100644
--- a/netwerk/test/unit/test_auth_multiple.js
+++ b/netwerk/test/unit/test_auth_multiple.js
@@ -42,7 +42,7 @@ AuthPrompt1.prototype = {
 
   QueryInterface: ChromeUtils.generateQI(["nsIAuthPrompt"]),
 
-  prompt: function ap1_prompt(title, text, realm, save, defaultText, result) {
+  prompt: function ap1_prompt() {
     do_throw("unexpected prompt call");
   },
 
@@ -94,7 +94,7 @@ AuthPrompt1.prototype = {
     return true;
   },
 
-  promptPassword: function ap1_promptPW(title, text, realm, save, pwd) {
+  promptPassword: function ap1_promptPW() {
     do_throw("unexpected promptPassword call");
   },
 };
@@ -117,7 +117,7 @@ AuthPrompt2.prototype = {
     return true;
   },
 
-  asyncPromptAuth: function ap2_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function ap2_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
@@ -175,7 +175,7 @@ RealmTestRequestor.prototype = {
     return false;
   },
 
-  asyncPromptAuth: function realmtest_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function realmtest_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
diff --git a/netwerk/test/unit/test_authentication.js b/netwerk/test/unit/test_authentication.js
index 823e2cb36b..f21e0fd4ff 100644
--- a/netwerk/test/unit/test_authentication.js
+++ b/netwerk/test/unit/test_authentication.js
@@ -43,7 +43,7 @@ AuthPrompt1.prototype = {
 
   QueryInterface: ChromeUtils.generateQI(["nsIAuthPrompt"]),
 
-  prompt: function ap1_prompt(title, text, realm, save, defaultText, result) {
+  prompt: function ap1_prompt() {
     do_throw("unexpected prompt call");
   },
 
@@ -99,7 +99,7 @@ AuthPrompt1.prototype = {
     return true;
   },
 
-  promptPassword: function ap1_promptPW(title, text, realm, save, pwd) {
+  promptPassword: function ap1_promptPW() {
     do_throw("unexpected promptPassword call");
   },
 };
@@ -252,7 +252,7 @@ RealmTestRequestor.prototype = {
     return false;
   },
 
-  asyncPromptAuth: function realmtest_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function realmtest_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
@@ -377,7 +377,7 @@ function makeChan(
 
 var ChannelCreationObserver = {
   QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-  observe(aSubject, aTopic, aData) {
+  observe(aSubject, aTopic) {
     if (aTopic == "http-on-opening-request") {
       initialChannelId = aSubject.QueryInterface(Ci.nsIIdentChannel).channelId;
     }
@@ -666,7 +666,7 @@ async function test_nonascii_xhr() {
   await new Promise(resolve => {
     let xhr = new XMLHttpRequest();
     xhr.open("GET", URL + "/auth/non_ascii", true, "é", "é");
-    xhr.onreadystatechange = function (event) {
+    xhr.onreadystatechange = function () {
       if (xhr.readyState == 4) {
         Assert.equal(xhr.status, 200);
         resolve();
diff --git a/netwerk/test/unit/test_authpromptwrapper.js b/netwerk/test/unit/test_authpromptwrapper.js
index 69680354ab..85bf690bca 100644
--- a/netwerk/test/unit/test_authpromptwrapper.js
+++ b/netwerk/test/unit/test_authpromptwrapper.js
@@ -51,7 +51,7 @@ function run_test() {
 
     QueryInterface: ChromeUtils.generateQI(["nsIAuthPrompt"]),
 
-    prompt: function ap1_prompt(title, text, realm, save, defaultText, result) {
+    prompt: function ap1_prompt(title, text, realm) {
       this.called |= CALLED_PROMPT;
       this.doChecks(text, realm);
       return this.rv;
diff --git a/netwerk/test/unit/test_backgroundfilesaver.js b/netwerk/test/unit/test_backgroundfilesaver.js
index eeceab9bf8..58382fa98b 100644
--- a/netwerk/test/unit/test_backgroundfilesaver.js
+++ b/netwerk/test/unit/test_backgroundfilesaver.js
@@ -213,11 +213,7 @@ function promiseCopyToSaver(aSourceString, aSaverOutputStream, aCloseWhenDone) {
  * @resolves When the operation completes with a success code.
  * @rejects With an exception, if the operation fails.
  */
-function promisePumpToSaver(
-  aSourceString,
-  aSaverStreamListener,
-  aCloseWhenDone
-) {
+function promisePumpToSaver(aSourceString, aSaverStreamListener) {
   return new Promise((resolve, reject) => {
     aSaverStreamListener.QueryInterface(Ci.nsIStreamListener);
     let inputStream = new StringInputStream(
@@ -603,7 +599,7 @@ add_task(async function test_enableAppend_hash() {
 add_task(async function test_finish_only() {
   // This test checks creating the object and doing nothing.
   let saver = new BackgroundFileSaverOutputStream();
-  function onTargetChange(aTarget) {
+  function onTargetChange() {
     do_throw("Should not receive the onTargetChange notification.");
   }
   let completionPromise = promiseSaverComplete(saver, onTargetChange);
diff --git a/netwerk/test/unit/test_be_conservative.js b/netwerk/test/unit/test_be_conservative.js
index af8cf23976..8998420c9e 100644
--- a/netwerk/test/unit/test_be_conservative.js
+++ b/netwerk/test/unit/test_be_conservative.js
@@ -169,7 +169,7 @@ function startClient(port, beConservative, expectSuccess) {
   req.open("GET", `https://${hostname}:${port}`);
   let internalChannel = req.channel.QueryInterface(Ci.nsIHttpChannelInternal);
   internalChannel.beConservative = beConservative;
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     req.onload = () => {
       ok(
         expectSuccess,
diff --git a/netwerk/test/unit/test_be_conservative_error_handling.js b/netwerk/test/unit/test_be_conservative_error_handling.js
index eae3042592..b1d1e58e10 100644
--- a/netwerk/test/unit/test_be_conservative_error_handling.js
+++ b/netwerk/test/unit/test_be_conservative_error_handling.js
@@ -151,7 +151,7 @@ function startClient(port, beConservative, expectSuccess) {
   req.open("GET", `https://${hostname}:${port}`);
   let internalChannel = req.channel.QueryInterface(Ci.nsIHttpChannelInternal);
   internalChannel.beConservative = beConservative;
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     req.onload = () => {
       ok(
         expectSuccess,
diff --git a/netwerk/test/unit/test_brotli_decoding.js b/netwerk/test/unit/test_brotli_decoding.js
index 55e2869401..bb5229cf73 100644
--- a/netwerk/test/unit/test_brotli_decoding.js
+++ b/netwerk/test/unit/test_brotli_decoding.js
@@ -26,7 +26,7 @@ let channelListener = function (closure) {
 };
 
 channelListener.prototype = {
-  onStartRequest: function testOnStartRequest(request) {},
+  onStartRequest: function testOnStartRequest() {},
 
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     let data = read_stream(stream, cnt);
@@ -39,7 +39,7 @@ channelListener.prototype = {
     }
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest() {
     this._closure();
   },
 };
diff --git a/netwerk/test/unit/test_bug1064258.js b/netwerk/test/unit/test_bug1064258.js
index 9be44254b5..9cf59287be 100644
--- a/netwerk/test/unit/test_bug1064258.js
+++ b/netwerk/test/unit/test_bug1064258.js
@@ -22,7 +22,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_bug1177909.js b/netwerk/test/unit/test_bug1177909.js
index 0fc94f8a2c..5b4e23fd0a 100644
--- a/netwerk/test/unit/test_bug1177909.js
+++ b/netwerk/test/unit/test_bug1177909.js
@@ -55,9 +55,9 @@ async function TestProxyType(chan, flags) {
     Ci.nsIProtocolProxyService.PROXYCONFIG_SYSTEM
   );
 
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     gProxyService.asyncResolve(chan, flags, {
-      onProxyAvailable(req, uri, pi, status) {
+      onProxyAvailable(req, uri, pi) {
         resolve(pi);
       },
     });
diff --git a/netwerk/test/unit/test_bug1218029.js b/netwerk/test/unit/test_bug1218029.js
index 48165807bf..c3eaa201a4 100644
--- a/netwerk/test/unit/test_bug1218029.js
+++ b/netwerk/test/unit/test_bug1218029.js
@@ -84,7 +84,7 @@ function execute_test(test) {
       equal(status, test.status);
     },
     onIncrementalData(loader, context, length, data, consumed) {
-      ok(chunkIndex < test.dataChunks.length - 1);
+      Assert.less(chunkIndex, test.dataChunks.length - 1);
       var expectedChunk = test.dataChunks[chunkIndex];
       equal(length, expectedChunk.length);
       equal(String.fromCharCode.apply(null, data), expectedChunk);
diff --git a/netwerk/test/unit/test_bug1279246.js b/netwerk/test/unit/test_bug1279246.js
index be73dbee14..8f904eb7eb 100644
--- a/netwerk/test/unit/test_bug1279246.js
+++ b/netwerk/test/unit/test_bug1279246.js
@@ -45,7 +45,7 @@ Listener.prototype = {
     }
   },
 
-  onStopRequest(request, status) {
+  onStopRequest() {
     if (pass == 0) {
       Assert.equal(this._buffer.length, responseLen);
       pass++;
diff --git a/netwerk/test/unit/test_bug1312774_http1.js b/netwerk/test/unit/test_bug1312774_http1.js
index 6f100295ae..9232e0042b 100644
--- a/netwerk/test/unit/test_bug1312774_http1.js
+++ b/netwerk/test/unit/test_bug1312774_http1.js
@@ -90,11 +90,11 @@ function HttpResponseListener(id) {
 }
 
 HttpResponseListener.prototype = {
-  onStartRequest(request) {},
+  onStartRequest() {},
 
-  onDataAvailable(request, stream, off, cnt) {},
+  onDataAvailable() {},
 
-  onStopRequest(request, status) {
+  onStopRequest() {
     log("STOP id=" + this.id);
     do_test_finished();
   },
diff --git a/netwerk/test/unit/test_bug1312782_http1.js b/netwerk/test/unit/test_bug1312782_http1.js
index cf820a4f56..15af4da76e 100644
--- a/netwerk/test/unit/test_bug1312782_http1.js
+++ b/netwerk/test/unit/test_bug1312782_http1.js
@@ -99,11 +99,11 @@ function HttpResponseListener(id) {
 }
 
 HttpResponseListener.prototype = {
-  onStartRequest(request) {},
+  onStartRequest() {},
 
-  onDataAvailable(request, stream, off, cnt) {},
+  onDataAvailable() {},
 
-  onStopRequest(request, status) {
+  onStopRequest() {
     log("STOP id=" + this.id);
     do_test_finished();
   },
diff --git a/netwerk/test/unit/test_bug1355539_http1.js b/netwerk/test/unit/test_bug1355539_http1.js
index 17b2930388..50c1114fd5 100644
--- a/netwerk/test/unit/test_bug1355539_http1.js
+++ b/netwerk/test/unit/test_bug1355539_http1.js
@@ -134,11 +134,11 @@ function HttpResponseListener(id, onStopCallback) {
 }
 
 HttpResponseListener.prototype = {
-  onStartRequest(request) {},
+  onStartRequest() {},
 
-  onDataAvailable(request, stream, off, cnt) {},
+  onDataAvailable() {},
 
-  onStopRequest(request, status) {
+  onStopRequest() {
     log("STOP id=" + this.id);
     do_test_finished();
     if (this.stopCallback) {
diff --git a/netwerk/test/unit/test_bug1378385_http1.js b/netwerk/test/unit/test_bug1378385_http1.js
index 0e21db3478..3ca4432cdf 100644
--- a/netwerk/test/unit/test_bug1378385_http1.js
+++ b/netwerk/test/unit/test_bug1378385_http1.js
@@ -113,11 +113,11 @@ function HttpResponseListener(id) {
 }
 
 HttpResponseListener.prototype = {
-  onStartRequest(request) {},
+  onStartRequest() {},
 
-  onDataAvailable(request, stream, off, cnt) {},
+  onDataAvailable() {},
 
-  onStopRequest(request, status) {
+  onStopRequest() {
     log("STOP id=" + this.id);
     do_test_finished();
   },
diff --git a/netwerk/test/unit/test_bug1411316_http1.js b/netwerk/test/unit/test_bug1411316_http1.js
index d1df42afdc..529fbead9a 100644
--- a/netwerk/test/unit/test_bug1411316_http1.js
+++ b/netwerk/test/unit/test_bug1411316_http1.js
@@ -72,9 +72,9 @@ function HttpResponseListener(id, onStopRequestStatus) {
 }
 
 HttpResponseListener.prototype = {
-  onStartRequest(request) {},
+  onStartRequest() {},
 
-  onDataAvailable(request, stream, off, cnt) {},
+  onDataAvailable() {},
 
   onStopRequest(request, status) {
     log("STOP id=" + this.id + " status=" + status);
diff --git a/netwerk/test/unit/test_bug1527293.js b/netwerk/test/unit/test_bug1527293.js
index bed2bddec6..5a86243495 100644
--- a/netwerk/test/unit/test_bug1527293.js
+++ b/netwerk/test/unit/test_bug1527293.js
@@ -25,7 +25,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_bug1683176.js b/netwerk/test/unit/test_bug1683176.js
index 9b0fddf7bd..f7b30e80f1 100644
--- a/netwerk/test/unit/test_bug1683176.js
+++ b/netwerk/test/unit/test_bug1683176.js
@@ -66,7 +66,7 @@ function channelOpenPromise(chan) {
     let topic = "http-on-transaction-suspended-authentication";
     let observer = {
       QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-      observe(aSubject, aTopic, aData) {
+      observe(aSubject, aTopic) {
         if (aTopic == topic) {
           Services.obs.removeObserver(observer, topic);
           let channel = aSubject.QueryInterface(Ci.nsIChannel);
diff --git a/netwerk/test/unit/test_bug282432.js b/netwerk/test/unit/test_bug282432.js
index 5e6e7a19b6..1dc8d890fa 100644
--- a/netwerk/test/unit/test_bug282432.js
+++ b/netwerk/test/unit/test_bug282432.js
@@ -11,7 +11,7 @@ function run_test() {
       "nsIRequestObserver",
     ]),
 
-    onStartRequest(aRequest) {},
+    onStartRequest() {},
 
     onStopRequest(aRequest, aStatusCode) {
       // Make sure we can catch the error NS_ERROR_FILE_NOT_FOUND here.
@@ -19,7 +19,7 @@ function run_test() {
       do_test_finished();
     },
 
-    onDataAvailable(aRequest, aStream, aOffset, aCount) {
+    onDataAvailable() {
       do_throw("The channel must not call onDataAvailable().");
     },
   };
diff --git a/netwerk/test/unit/test_bug331825.js b/netwerk/test/unit/test_bug331825.js
index 5a389c74a4..15a5d36053 100644
--- a/netwerk/test/unit/test_bug331825.js
+++ b/netwerk/test/unit/test_bug331825.js
@@ -8,8 +8,8 @@ var server;
 const BUGID = "331825";
 
 function TestListener() {}
-TestListener.prototype.onStartRequest = function (request) {};
-TestListener.prototype.onStopRequest = function (request, status) {
+TestListener.prototype.onStartRequest = function () {};
+TestListener.prototype.onStopRequest = function (request) {
   var channel = request.QueryInterface(Ci.nsIHttpChannel);
   Assert.equal(channel.responseStatus, 304);
 
diff --git a/netwerk/test/unit/test_bug369787.js b/netwerk/test/unit/test_bug369787.js
index 36cf2472e1..3254bdf568 100644
--- a/netwerk/test/unit/test_bug369787.js
+++ b/netwerk/test/unit/test_bug369787.js
@@ -29,7 +29,7 @@ TestListener.prototype.onStartRequest = function (request) {
     throw ex;
   }
 };
-TestListener.prototype.onStopRequest = function (request, status) {
+TestListener.prototype.onStopRequest = function () {
   try {
     change_content_type();
   } catch (ex) {
@@ -68,6 +68,6 @@ function run_test() {
 }
 
 // PATH HANDLER FOR /bug369787
-function bug369787(metadata, response) {
+function bug369787() {
   /* do nothing */
 }
diff --git a/netwerk/test/unit/test_bug401564.js b/netwerk/test/unit/test_bug401564.js
index 7cc52f3965..9b92272410 100644
--- a/netwerk/test/unit/test_bug401564.js
+++ b/netwerk/test/unit/test_bug401564.js
@@ -14,12 +14,12 @@ function redirectHandler(metadata, response) {
   response.setHeader("Location", noRedirectURI, false);
 }
 
-function contentHandler(metadata, response) {
+function contentHandler(metadata) {
   Assert.equal(metadata.getHeader("Accept"), acceptType);
   httpserver.stop(do_test_finished);
 }
 
-function dummyHandler(request, buffer) {}
+function dummyHandler() {}
 
 function run_test() {
   httpserver = new HttpServer();
diff --git a/netwerk/test/unit/test_bug412945.js b/netwerk/test/unit/test_bug412945.js
index 78c48bbf22..c44aa48795 100644
--- a/netwerk/test/unit/test_bug412945.js
+++ b/netwerk/test/unit/test_bug412945.js
@@ -8,9 +8,9 @@ var httpserv;
 
 function TestListener() {}
 
-TestListener.prototype.onStartRequest = function (request) {};
+TestListener.prototype.onStartRequest = function () {};
 
-TestListener.prototype.onStopRequest = function (request, status) {
+TestListener.prototype.onStopRequest = function () {
   httpserv.stop(do_test_finished);
 };
 
@@ -34,7 +34,7 @@ function run_test() {
   do_test_pending();
 }
 
-function bug412945(metadata, response) {
+function bug412945(metadata) {
   if (
     !metadata.hasHeader("Content-Length") ||
     metadata.getHeader("Content-Length") != "0"
diff --git a/netwerk/test/unit/test_bug455311.js b/netwerk/test/unit/test_bug455311.js
index 36e000a174..284fcf0ac7 100644
--- a/netwerk/test/unit/test_bug455311.js
+++ b/netwerk/test/unit/test_bug455311.js
@@ -25,7 +25,7 @@ NotificationCallbacks.prototype = {
   getInterface(iid) {
     return this.QueryInterface(iid);
   },
-  asyncOnChannelRedirect(oldChan, newChan, flags, callback) {
+  asyncOnChannelRedirect(oldChan, newChan) {
     Assert.equal(oldChan.URI.spec, this._origURI.spec);
     Assert.equal(oldChan.URI, this._origURI);
     Assert.equal(oldChan.originalURI.spec, this._origURI.spec);
@@ -54,7 +54,7 @@ RequestObserver.prototype = {
     Assert.equal(chan.originalURI.spec, this._origURI.spec);
     Assert.equal(chan.originalURI, this._origURI);
   },
-  onDataAvailable(req, stream, offset, count) {
+  onDataAvailable() {
     do_throw("Unexpected call to onDataAvailable");
   },
   onStopRequest(req, status) {
diff --git a/netwerk/test/unit/test_bug468426.js b/netwerk/test/unit/test_bug468426.js
index def7041ad8..e2598721d3 100644
--- a/netwerk/test/unit/test_bug468426.js
+++ b/netwerk/test/unit/test_bug468426.js
@@ -58,7 +58,7 @@ function triggerNextTest() {
   channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null));
 }
 
-function checkValueAndTrigger(request, data, ctx) {
+function checkValueAndTrigger(request, data) {
   Assert.equal(tests[index].expected, data);
 
   if (index < tests.length - 1) {
diff --git a/netwerk/test/unit/test_bug468594.js b/netwerk/test/unit/test_bug468594.js
index abab980f48..de7ed84f6f 100644
--- a/netwerk/test/unit/test_bug468594.js
+++ b/netwerk/test/unit/test_bug468594.js
@@ -101,7 +101,7 @@ function triggerNextTest() {
   channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null));
 }
 
-function checkValueAndTrigger(request, data, ctx) {
+function checkValueAndTrigger(request, data) {
   logit(index, data);
   Assert.equal(tests[index].expected, data);
 
diff --git a/netwerk/test/unit/test_bug470716.js b/netwerk/test/unit/test_bug470716.js
index 009e7eee11..f359aa9c1e 100644
--- a/netwerk/test/unit/test_bug470716.js
+++ b/netwerk/test/unit/test_bug470716.js
@@ -26,7 +26,7 @@ var test_sink_closed;
 var test_nr;
 
 var copyObserver = {
-  onStartRequest(request) {},
+  onStartRequest() {},
 
   onStopRequest(request, statusCode) {
     // check status code
diff --git a/netwerk/test/unit/test_bug482601.js b/netwerk/test/unit/test_bug482601.js
index ae4e848dbf..04ee143cdb 100644
--- a/netwerk/test/unit/test_bug482601.js
+++ b/netwerk/test/unit/test_bug482601.js
@@ -13,7 +13,7 @@ var buffer = "";
 var observer = {
   QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
 
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     if (observers_called.length) {
       observers_called += ",";
     }
@@ -23,7 +23,7 @@ var observer = {
 };
 
 var listener = {
-  onStartRequest(request) {
+  onStartRequest() {
     buffer = "";
   },
 
@@ -259,6 +259,6 @@ function bug482601_cached(metadata, response) {
 }
 
 // /bug482601/only_from_cache
-function bug482601_only_from_cache(metadata, response) {
+function bug482601_only_from_cache() {
   do_throw("This should not be reached");
 }
diff --git a/netwerk/test/unit/test_bug482934.js b/netwerk/test/unit/test_bug482934.js
index ee2579b1bb..8388c35d2b 100644
--- a/netwerk/test/unit/test_bug482934.js
+++ b/netwerk/test/unit/test_bug482934.js
@@ -91,7 +91,7 @@ add_test(() => {
 
   var ch = make_channel(resource_url);
   ch.asyncOpen(
-    new ChannelListener(function (aRequest, aData) {
+    new ChannelListener(function (aRequest) {
       syncWithCacheIOThread(() => {
         Assert.ok(hit_server);
         Assert.equal(
@@ -117,7 +117,7 @@ add_test(() => {
 
   var ch = make_channel(resource_url);
   ch.asyncOpen(
-    new ChannelListener(function (aRequest, aData) {
+    new ChannelListener(function (aRequest) {
       syncWithCacheIOThread(() => {
         Assert.ok(hit_server);
         Assert.equal(
@@ -170,7 +170,7 @@ add_test(() => {
   response_time = "Sat, 3 Jan 2009 00:00:00 GMT";
   var ch = make_channel(resource_url);
   ch.asyncOpen(
-    new ChannelListener(function (aRequest, aData) {
+    new ChannelListener(function (aRequest) {
       syncWithCacheIOThread(() => {
         Assert.ok(hit_server);
         Assert.equal(
diff --git a/netwerk/test/unit/test_bug490095.js b/netwerk/test/unit/test_bug490095.js
index 4e0a37e450..261632b4c7 100644
--- a/netwerk/test/unit/test_bug490095.js
+++ b/netwerk/test/unit/test_bug490095.js
@@ -79,7 +79,7 @@ function triggerNextTest() {
   channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null));
 }
 
-function checkValueAndTrigger(request, data, ctx) {
+function checkValueAndTrigger(request, data) {
   logit(index, data);
   Assert.equal(tests[index].expected, data);
 
diff --git a/netwerk/test/unit/test_bug510359.js b/netwerk/test/unit/test_bug510359.js
index a273cc4710..2262e0a2e6 100644
--- a/netwerk/test/unit/test_bug510359.js
+++ b/netwerk/test/unit/test_bug510359.js
@@ -28,7 +28,7 @@ function triggerNextTest() {
   channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null));
 }
 
-function checkValueAndTrigger(request, data, ctx) {
+function checkValueAndTrigger(request, data) {
   Assert.equal(tests[index].expected, data);
 
   if (index < tests.length - 1) {
diff --git a/netwerk/test/unit/test_bug536324_64bit_content_length.js b/netwerk/test/unit/test_bug536324_64bit_content_length.js
index 7ed8ceca6f..c81c619f31 100644
--- a/netwerk/test/unit/test_bug536324_64bit_content_length.js
+++ b/netwerk/test/unit/test_bug536324_64bit_content_length.js
@@ -14,16 +14,16 @@ const CONTENT_LENGTH = "1152921504606846975";
 var httpServer = null;
 
 var listener = {
-  onStartRequest(req) {},
+  onStartRequest() {},
 
-  onDataAvailable(req, stream, off, count) {
+  onDataAvailable(req) {
     Assert.equal(req.getResponseHeader("Content-Length"), CONTENT_LENGTH);
 
     // We're done here, cancel the channel
     req.cancel(Cr.NS_BINDING_ABORTED);
   },
 
-  onStopRequest(req, stat) {
+  onStopRequest() {
     httpServer.stop(do_test_finished);
   },
 };
diff --git a/netwerk/test/unit/test_bug540566.js b/netwerk/test/unit/test_bug540566.js
index 24260421ad..354b5c509f 100644
--- a/netwerk/test/unit/test_bug540566.js
+++ b/netwerk/test/unit/test_bug540566.js
@@ -4,7 +4,7 @@
 
 "use strict";
 
-function continue_test(status, entry) {
+function continue_test(status) {
   Assert.equal(status, Cr.NS_OK);
   // TODO - mayhemer: remove this tests completely
   // entry.deviceID;
diff --git a/netwerk/test/unit/test_bug561042.js b/netwerk/test/unit/test_bug561042.js
index 6bdf4d59a6..63696f2ae7 100644
--- a/netwerk/test/unit/test_bug561042.js
+++ b/netwerk/test/unit/test_bug561042.js
@@ -17,9 +17,9 @@ for (let i = 0; i < 10000; i++) {
 }
 
 var listener = {
-  onStartRequest(request) {},
+  onStartRequest() {},
 
-  onDataAvailable(request, stream) {},
+  onDataAvailable() {},
 
   onStopRequest(request, status) {
     Assert.equal(status, Cr.NS_OK);
diff --git a/netwerk/test/unit/test_bug561276.js b/netwerk/test/unit/test_bug561276.js
index 9176b7c702..532ef056e6 100644
--- a/netwerk/test/unit/test_bug561276.js
+++ b/netwerk/test/unit/test_bug561276.js
@@ -22,7 +22,7 @@ function setupChannel(suffix) {
   return httpChan;
 }
 
-function checkValueAndTrigger(request, data, ctx) {
+function checkValueAndTrigger(request, data) {
   Assert.equal("Ok", data);
   httpserver.stop(do_test_finished);
 }
diff --git a/netwerk/test/unit/test_bug586908.js b/netwerk/test/unit/test_bug586908.js
index 1d3ab20347..1491729f19 100644
--- a/netwerk/test/unit/test_bug586908.js
+++ b/netwerk/test/unit/test_bug586908.js
@@ -15,13 +15,13 @@ ChromeUtils.defineLazyGetter(this, "systemSettings", function () {
 
     mainThreadOnly: true,
     PACURI: "http://localhost:" + httpserv.identity.primaryPort + "/redirect",
-    getProxyForURI(aURI) {
+    getProxyForURI() {
       throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
     },
   };
 });
 
-function checkValue(request, data, ctx) {
+function checkValue(request, data) {
   Assert.ok(called);
   Assert.equal("ok", data);
   httpserv.stop(do_test_finished);
diff --git a/netwerk/test/unit/test_bug596443.js b/netwerk/test/unit/test_bug596443.js
index 55f9922e07..156bf33d29 100644
--- a/netwerk/test/unit/test_bug596443.js
+++ b/netwerk/test/unit/test_bug596443.js
@@ -39,13 +39,13 @@ Listener.prototype = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest(request) {
+  onStartRequest() {
     this._buffer = "";
   },
   onDataAvailable(request, stream, offset, count) {
     this._buffer = this._buffer.concat(read_stream(stream, count));
   },
-  onStopRequest(request, status) {
+  onStopRequest() {
     Assert.equal(this._buffer, this._response);
     if (--expectedOnStopRequests == 0) {
       do_timeout(10, function () {
diff --git a/netwerk/test/unit/test_bug618835.js b/netwerk/test/unit/test_bug618835.js
index 4f4ea8b776..61946209e5 100644
--- a/netwerk/test/unit/test_bug618835.js
+++ b/netwerk/test/unit/test_bug618835.js
@@ -29,8 +29,8 @@ function setupChannel(path) {
 // Verify that Content-Location-URI has been loaded once, load post_target
 function InitialListener() {}
 InitialListener.prototype = {
-  onStartRequest(request) {},
-  onStopRequest(request, status) {
+  onStartRequest() {},
+  onStopRequest() {
     Assert.equal(1, numberOfCLHandlerCalls);
     executeSoon(function () {
       var channel = setupChannel(
@@ -45,8 +45,8 @@ InitialListener.prototype = {
 // Verify that Location-URI has been loaded once, reload post_target
 function RedirectingListener() {}
 RedirectingListener.prototype = {
-  onStartRequest(request) {},
-  onStopRequest(request, status) {
+  onStartRequest() {},
+  onStopRequest() {
     Assert.equal(1, numberOfHandlerCalls);
     executeSoon(function () {
       var channel = setupChannel(
@@ -62,8 +62,8 @@ RedirectingListener.prototype = {
 // reload Content-Location-URI
 function VerifyingListener() {}
 VerifyingListener.prototype = {
-  onStartRequest(request) {},
-  onStopRequest(request, status) {
+  onStartRequest() {},
+  onStopRequest() {
     Assert.equal(2, numberOfHandlerCalls);
     var channel = setupChannel(
       "http://localhost:" + httpserv.identity.primaryPort + "/cl"
@@ -76,8 +76,8 @@ VerifyingListener.prototype = {
 // stop test
 function FinalListener() {}
 FinalListener.prototype = {
-  onStartRequest(request) {},
-  onStopRequest(request, status) {
+  onStartRequest() {},
+  onStopRequest() {
     Assert.equal(2, numberOfCLHandlerCalls);
     httpserv.stop(do_test_finished);
   },
diff --git a/netwerk/test/unit/test_bug633743.js b/netwerk/test/unit/test_bug633743.js
index 6e49751c78..d6be50b7c2 100644
--- a/netwerk/test/unit/test_bug633743.js
+++ b/netwerk/test/unit/test_bug633743.js
@@ -10,7 +10,7 @@ const CACHECTRL_HDR_NAME = "X-CACHE-CONTROL-HEADER";
 
 var httpserver = null;
 
-function make_channel(flags, vary, value) {
+function make_channel() {
   var chan = NetUtil.newChannel({
     uri: "http://localhost:" + httpserver.identity.primaryPort + "/bug633743",
     loadUsingSystemPrincipal: true,
@@ -39,13 +39,13 @@ Test.prototype = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest(request) {},
+  onStartRequest() {},
 
   onDataAvailable(request, stream, offset, count) {
     this._buffer = this._buffer.concat(read_stream(stream, count));
   },
 
-  onStopRequest(request, status) {
+  onStopRequest() {
     Assert.equal(this._buffer, this._expectVal);
     do_timeout(0, run_next_test);
   },
diff --git a/netwerk/test/unit/test_bug650995.js b/netwerk/test/unit/test_bug650995.js
index d9ccab6540..e7032b09e2 100644
--- a/netwerk/test/unit/test_bug650995.js
+++ b/netwerk/test/unit/test_bug650995.js
@@ -158,7 +158,7 @@ function TestCacheEntrySize(
       channel.asyncOpen(new ChannelListener(ctx.testAndTriggerNext, ctx));
     });
   };
-  this.testAndTriggerNext = function (request, data, ctx) {
+  this.testAndTriggerNext = function (request, data) {
     Assert.equal(secondExpectedReply, data);
     executeSoon(nextTest);
   };
diff --git a/netwerk/test/unit/test_bug659569.js b/netwerk/test/unit/test_bug659569.js
index 1bdc61b618..4235c742e0 100644
--- a/netwerk/test/unit/test_bug659569.js
+++ b/netwerk/test/unit/test_bug659569.js
@@ -13,7 +13,7 @@ function setupChannel(suffix) {
   });
 }
 
-function checkValueAndTrigger(request, data, ctx) {
+function checkValueAndTrigger(request, data) {
   Assert.equal("Ok", data);
   httpserver.stop(do_test_finished);
 }
diff --git a/netwerk/test/unit/test_bug667907.js b/netwerk/test/unit/test_bug667907.js
index 5c6b13d538..b407a4777b 100644
--- a/netwerk/test/unit/test_bug667907.js
+++ b/netwerk/test/unit/test_bug667907.js
@@ -35,7 +35,7 @@ var listener_proto = {
     request.cancel(Cr.NS_BINDING_ABORTED);
   },
 
-  onDataAvailable(request, stream, offset, count) {
+  onDataAvailable() {
     do_throw("Unexpected onDataAvailable");
   },
 
diff --git a/netwerk/test/unit/test_bug669001.js b/netwerk/test/unit/test_bug669001.js
index ebd5998cf1..c402a6e975 100644
--- a/netwerk/test/unit/test_bug669001.js
+++ b/netwerk/test/unit/test_bug669001.js
@@ -28,13 +28,13 @@ var fetched;
 var tests = [
   {
     prepare() {},
-    test(response) {
+    test() {
       Assert.ok(fetched);
     },
   },
   {
     prepare() {},
-    test(response) {
+    test() {
       Assert.ok(!fetched);
     },
   },
@@ -42,13 +42,13 @@ var tests = [
     prepare() {
       setUA("A different User Agent");
     },
-    test(response) {
+    test() {
       Assert.ok(fetched);
     },
   },
   {
     prepare() {},
-    test(response) {
+    test() {
       Assert.ok(!fetched);
     },
   },
@@ -56,13 +56,13 @@ var tests = [
     prepare() {
       setUA("And another User Agent");
     },
-    test(response) {
+    test() {
       Assert.ok(fetched);
     },
   },
   {
     prepare() {},
-    test(response) {
+    test() {
       Assert.ok(!fetched);
     },
   },
diff --git a/netwerk/test/unit/test_bug812167.js b/netwerk/test/unit/test_bug812167.js
index 8f4d1310a0..1773a733c2 100644
--- a/netwerk/test/unit/test_bug812167.js
+++ b/netwerk/test/unit/test_bug812167.js
@@ -25,7 +25,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI2", function () {
   return "http://localhost:" + httpserver.identity.primaryPort + randomPath2;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_bug856978.js b/netwerk/test/unit/test_bug856978.js
index 607b392473..5152abb764 100644
--- a/netwerk/test/unit/test_bug856978.js
+++ b/netwerk/test/unit/test_bug856978.js
@@ -55,7 +55,7 @@ RequestObserver.prototype = {
     "nsISupportsWeakReference",
   ]),
 
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     if (topic == notification) {
       if (!(subject instanceof Ci.nsIHttpChannel)) {
         do_throw(notification + " observed a non-HTTP channel.");
@@ -76,13 +76,13 @@ RequestObserver.prototype = {
 };
 
 var listener = {
-  onStartRequest: function test_onStartR(request) {},
+  onStartRequest: function test_onStartR() {},
 
   onDataAvailable: function test_ODA() {
     do_throw("Should not get any data!");
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR() {
     if (current_test < tests.length - 1) {
       current_test++;
       tests[current_test]();
diff --git a/netwerk/test/unit/test_bug894586.js b/netwerk/test/unit/test_bug894586.js
index bc25731d36..ecce039790 100644
--- a/netwerk/test/unit/test_bug894586.js
+++ b/netwerk/test/unit/test_bug894586.js
@@ -25,7 +25,7 @@ ProtocolHandler.prototype = {
     this.loadInfo = aLoadInfo;
     return this;
   },
-  allowPort(port, scheme) {
+  allowPort(port) {
     return port != -1;
   },
 
@@ -67,7 +67,7 @@ ProtocolHandler.prototype = {
       loadUsingSystemPrincipal: true,
     }).open();
   },
-  asyncOpen(aListener, aContext) {
+  asyncOpen() {
     throw Components.Exception("Not implemented", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
   contentDisposition: Ci.nsIChannel.DISPOSITION_INLINE,
@@ -86,7 +86,7 @@ ProtocolHandler.prototype = {
   get status() {
     return Cr.NS_OK;
   },
-  cancel(status) {},
+  cancel() {},
   loadGroup: null,
   loadFlags:
     Ci.nsIRequest.LOAD_NORMAL |
diff --git a/netwerk/test/unit/test_cache-control_request.js b/netwerk/test/unit/test_cache-control_request.js
index f0873cba24..25ca26f40b 100644
--- a/netwerk/test/unit/test_cache-control_request.js
+++ b/netwerk/test/unit/test_cache-control_request.js
@@ -106,7 +106,7 @@ add_test(() => {
   // Must not create a cache entry
   var ch = make_channel(resource_age_100_url, "no-store");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(!cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -119,7 +119,7 @@ add_test(() => {
   // Prepare state only, cache the entry
   var ch = make_channel(resource_age_100_url);
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -132,7 +132,7 @@ add_test(() => {
   // Check the prepared cache entry is used when no special directives are added
   var ch = make_channel(resource_age_100_url);
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(!hit_server);
       Assert.ok(cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -146,7 +146,7 @@ add_test(() => {
   // the channel must not use it, entry should stay in the cache
   var ch = make_channel(resource_age_100_url, "no-store");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -162,7 +162,7 @@ add_test(() => {
   // Check the prepared cache entry is used when no special directives are added
   var ch = make_channel(resource_age_100_url);
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(!hit_server);
       Assert.ok(cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -175,7 +175,7 @@ add_test(() => {
   // The existing entry should be revalidated (we expect a server hit)
   var ch = make_channel(resource_age_100_url, "no-cache");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -191,7 +191,7 @@ add_test(() => {
   // Check the prepared cache entry is used when no special directives are added
   var ch = make_channel(resource_age_100_url);
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(!hit_server);
       Assert.ok(cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -205,7 +205,7 @@ add_test(() => {
   // should hit server
   var ch = make_channel(resource_age_100_url, "max-age=10");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -219,7 +219,7 @@ add_test(() => {
   // but the max-stale directive says to use it when it's fresh enough
   var ch = make_channel(resource_age_100_url, "max-age=10, max-stale=99999");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(!hit_server);
       Assert.ok(cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -233,7 +233,7 @@ add_test(() => {
   // should go from cache
   var ch = make_channel(resource_age_100_url, "max-age=1000");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(!hit_server);
       Assert.ok(cache.exists(make_uri(resource_age_100_url), ""));
 
@@ -249,7 +249,7 @@ add_test(() => {
   // Preprate the entry first
   var ch = make_channel(resource_stale_100_url);
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_stale_100_url), ""));
 
@@ -264,7 +264,7 @@ add_test(() => {
   // are provided
   var ch = make_channel(resource_stale_100_url);
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_stale_100_url), ""));
 
@@ -277,7 +277,7 @@ add_test(() => {
   // Accept cached responses of any stale time
   var ch = make_channel(resource_stale_100_url, "max-stale");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(!hit_server);
       Assert.ok(cache.exists(make_uri(resource_stale_100_url), ""));
 
@@ -290,7 +290,7 @@ add_test(() => {
   // The entry is stale only by 100 seconds, accept it
   var ch = make_channel(resource_stale_100_url, "max-stale=1000");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(!hit_server);
       Assert.ok(cache.exists(make_uri(resource_stale_100_url), ""));
 
@@ -304,7 +304,7 @@ add_test(() => {
   // entry, go from server
   var ch = make_channel(resource_stale_100_url, "max-stale=10");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_stale_100_url), ""));
 
@@ -320,7 +320,7 @@ add_test(() => {
   // Preprate the entry first
   var ch = make_channel(resource_fresh_100_url);
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_fresh_100_url), ""));
 
@@ -333,7 +333,7 @@ add_test(() => {
   // Check it's reused when no special directives are provided
   var ch = make_channel(resource_fresh_100_url);
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(!hit_server);
       Assert.ok(cache.exists(make_uri(resource_fresh_100_url), ""));
 
@@ -346,7 +346,7 @@ add_test(() => {
   // Entry fresh enough to be served from the cache
   var ch = make_channel(resource_fresh_100_url, "min-fresh=10");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(!hit_server);
       Assert.ok(cache.exists(make_uri(resource_fresh_100_url), ""));
 
@@ -359,7 +359,7 @@ add_test(() => {
   // The entry is not fresh enough
   var ch = make_channel(resource_fresh_100_url, "min-fresh=1000");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_fresh_100_url), ""));
 
@@ -378,7 +378,7 @@ add_test(() => {
     'unknown1,unknown2 = "a,b",  min-fresh = 1000 '
   );
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_fresh_100_url), ""));
 
@@ -390,7 +390,7 @@ add_test(() => {
 add_test(() => {
   var ch = make_channel(resource_fresh_100_url, "no-cache = , min-fresh = 10");
   ch.asyncOpen(
-    new ChannelListener(function (request, data) {
+    new ChannelListener(function () {
       Assert.ok(hit_server);
       Assert.ok(cache.exists(make_uri(resource_fresh_100_url), ""));
 
diff --git a/netwerk/test/unit/test_cache2-02b-open-non-existing-and-doom.js b/netwerk/test/unit/test_cache2-02b-open-non-existing-and-doom.js
index d54aeeb9eb..67c5d14c54 100644
--- a/netwerk/test/unit/test_cache2-02b-open-non-existing-and-doom.js
+++ b/netwerk/test/unit/test_cache2-02b-open-non-existing-and-doom.js
@@ -126,7 +126,7 @@ add_task(async function test() {
                   onCacheEntryCheck() {
                     return Ci.nsICacheEntryOpenCallback.ENTRY_WANTED;
                   },
-                  onCacheEntryAvailable(entry, isnew, status) {
+                  onCacheEntryAvailable() {
                     info("opened");
                     r2();
                   },
@@ -154,17 +154,7 @@ add_task(async function test() {
     let entryCount = 0;
     let visitor = {
       onCacheStorageInfo() {},
-      async onCacheEntryInfo(
-        aURI,
-        aIdEnhance,
-        aDataSize,
-        aAltDataSize,
-        aFetchCount,
-        aLastModifiedTime,
-        aExpirationTime,
-        aPinned,
-        aInfo
-      ) {
+      async onCacheEntryInfo() {
         entryCount++;
       },
       onCacheEntryVisitCompleted() {
diff --git a/netwerk/test/unit/test_cache2-08-evict-disk-by-memory-storage.js b/netwerk/test/unit/test_cache2-08-evict-disk-by-memory-storage.js
index 395c41dd7c..a0602d80e6 100644
--- a/netwerk/test/unit/test_cache2-08-evict-disk-by-memory-storage.js
+++ b/netwerk/test/unit/test_cache2-08-evict-disk-by-memory-storage.js
@@ -8,7 +8,7 @@ function run_test() {
     "disk",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     null,
-    new OpenCallback(NEW, "a1m", "a1d", function (entry) {
+    new OpenCallback(NEW, "a1m", "a1d", function () {
       var storage = getCacheStorage("memory");
       // Have to fail
       storage.asyncDoomURI(
diff --git a/netwerk/test/unit/test_cache2-14-concurent-readers.js b/netwerk/test/unit/test_cache2-14-concurent-readers.js
index d2e80582dc..2696790f1b 100644
--- a/netwerk/test/unit/test_cache2-14-concurent-readers.js
+++ b/netwerk/test/unit/test_cache2-14-concurent-readers.js
@@ -8,7 +8,7 @@ function run_test() {
     "disk",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     null,
-    new OpenCallback(NEW, "x1m", "x1d", function (entry) {
+    new OpenCallback(NEW, "x1m", "x1d", function () {
       // nothing to do here, we expect concurent callbacks to get
       // all notified, then the test finishes
     })
@@ -21,7 +21,7 @@ function run_test() {
     "disk",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     null,
-    new OpenCallback(NORMAL, "x1m", "x1d", function (entry) {
+    new OpenCallback(NORMAL, "x1m", "x1d", function () {
       mc.fired();
     })
   );
@@ -30,7 +30,7 @@ function run_test() {
     "disk",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     null,
-    new OpenCallback(NORMAL, "x1m", "x1d", function (entry) {
+    new OpenCallback(NORMAL, "x1m", "x1d", function () {
       mc.fired();
     })
   );
@@ -39,7 +39,7 @@ function run_test() {
     "disk",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     null,
-    new OpenCallback(NORMAL, "x1m", "x1d", function (entry) {
+    new OpenCallback(NORMAL, "x1m", "x1d", function () {
       mc.fired();
     })
   );
diff --git a/netwerk/test/unit/test_cache2-14b-concurent-readers-complete.js b/netwerk/test/unit/test_cache2-14b-concurent-readers-complete.js
index 244dca9a3b..5da0937836 100644
--- a/netwerk/test/unit/test_cache2-14b-concurent-readers-complete.js
+++ b/netwerk/test/unit/test_cache2-14b-concurent-readers-complete.js
@@ -8,7 +8,7 @@ function run_test() {
     "disk",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     null,
-    new OpenCallback(NEW, "x1m", "x1d", function (entry) {
+    new OpenCallback(NEW, "x1m", "x1d", function () {
       // nothing to do here, we expect concurent callbacks to get
       // all notified, then the test finishes
     })
diff --git a/netwerk/test/unit/test_cache2-15-conditional-304.js b/netwerk/test/unit/test_cache2-15-conditional-304.js
index 7b672e69a2..5133b4cd96 100644
--- a/netwerk/test/unit/test_cache2-15-conditional-304.js
+++ b/netwerk/test/unit/test_cache2-15-conditional-304.js
@@ -31,7 +31,7 @@ function run_test() {
         "disk",
         Ci.nsICacheStorage.OPEN_NORMALLY,
         null,
-        new OpenCallback(NORMAL, "31m", "31d", function (entry) {
+        new OpenCallback(NORMAL, "31m", "31d", function () {
           mc.fired();
         })
       );
@@ -40,7 +40,7 @@ function run_test() {
         "disk",
         Ci.nsICacheStorage.OPEN_NORMALLY,
         null,
-        new OpenCallback(NORMAL, "31m", "31d", function (entry) {
+        new OpenCallback(NORMAL, "31m", "31d", function () {
           mc.fired();
         })
       );
@@ -49,7 +49,7 @@ function run_test() {
         "disk",
         Ci.nsICacheStorage.OPEN_NORMALLY,
         null,
-        new OpenCallback(NORMAL, "31m", "31d", function (entry) {
+        new OpenCallback(NORMAL, "31m", "31d", function () {
           mc.fired();
         })
       );
diff --git a/netwerk/test/unit/test_cache2-16-conditional-200.js b/netwerk/test/unit/test_cache2-16-conditional-200.js
index beaa3f0dae..6c8b3f0728 100644
--- a/netwerk/test/unit/test_cache2-16-conditional-200.js
+++ b/netwerk/test/unit/test_cache2-16-conditional-200.js
@@ -45,7 +45,7 @@ function run_test() {
             "disk",
             Ci.nsICacheStorage.OPEN_NORMALLY,
             null,
-            new OpenCallback(NORMAL, "22m", "22d", function (entry) {
+            new OpenCallback(NORMAL, "22m", "22d", function () {
               mc.fired();
             })
           );
@@ -54,7 +54,7 @@ function run_test() {
             "disk",
             Ci.nsICacheStorage.OPEN_NORMALLY,
             null,
-            new OpenCallback(NORMAL, "22m", "22d", function (entry) {
+            new OpenCallback(NORMAL, "22m", "22d", function () {
               mc.fired();
             })
           );
@@ -63,7 +63,7 @@ function run_test() {
             "disk",
             Ci.nsICacheStorage.OPEN_NORMALLY,
             null,
-            new OpenCallback(NORMAL, "22m", "22d", function (entry) {
+            new OpenCallback(NORMAL, "22m", "22d", function () {
               mc.fired();
             })
           );
diff --git a/netwerk/test/unit/test_cache2-19-range-206.js b/netwerk/test/unit/test_cache2-19-range-206.js
index f3f9491932..b29b4b27f0 100644
--- a/netwerk/test/unit/test_cache2-19-range-206.js
+++ b/netwerk/test/unit/test_cache2-19-range-206.js
@@ -36,7 +36,7 @@ function run_test() {
         "disk",
         Ci.nsICacheStorage.OPEN_NORMALLY,
         null,
-        new OpenCallback(NORMAL, "206m", "206part1--part2", function (entry) {
+        new OpenCallback(NORMAL, "206m", "206part1--part2", function () {
           mc.fired();
         })
       );
@@ -45,7 +45,7 @@ function run_test() {
         "disk",
         Ci.nsICacheStorage.OPEN_NORMALLY,
         null,
-        new OpenCallback(NORMAL, "206m", "206part1--part2", function (entry) {
+        new OpenCallback(NORMAL, "206m", "206part1--part2", function () {
           mc.fired();
         })
       );
@@ -54,7 +54,7 @@ function run_test() {
         "disk",
         Ci.nsICacheStorage.OPEN_NORMALLY,
         null,
-        new OpenCallback(NORMAL, "206m", "206part1--part2", function (entry) {
+        new OpenCallback(NORMAL, "206m", "206part1--part2", function () {
           mc.fired();
         })
       );
diff --git a/netwerk/test/unit/test_cache2-20-range-200.js b/netwerk/test/unit/test_cache2-20-range-200.js
index 31b8223c35..a3f2dc379e 100644
--- a/netwerk/test/unit/test_cache2-20-range-200.js
+++ b/netwerk/test/unit/test_cache2-20-range-200.js
@@ -37,9 +37,7 @@ function run_test() {
         "disk",
         Ci.nsICacheStorage.OPEN_NORMALLY,
         null,
-        new OpenCallback(NORMAL, "200m2", "200part1b--part2b", function (
-          entry
-        ) {
+        new OpenCallback(NORMAL, "200m2", "200part1b--part2b", function () {
           mc.fired();
         })
       );
@@ -48,9 +46,7 @@ function run_test() {
         "disk",
         Ci.nsICacheStorage.OPEN_NORMALLY,
         null,
-        new OpenCallback(NORMAL, "200m2", "200part1b--part2b", function (
-          entry
-        ) {
+        new OpenCallback(NORMAL, "200m2", "200part1b--part2b", function () {
           mc.fired();
         })
       );
@@ -59,9 +55,7 @@ function run_test() {
         "disk",
         Ci.nsICacheStorage.OPEN_NORMALLY,
         null,
-        new OpenCallback(NORMAL, "200m2", "200part1b--part2b", function (
-          entry
-        ) {
+        new OpenCallback(NORMAL, "200m2", "200part1b--part2b", function () {
           mc.fired();
         })
       );
diff --git a/netwerk/test/unit/test_cache2-22-anon-visit.js b/netwerk/test/unit/test_cache2-22-anon-visit.js
index 1768f142bd..6ceaa26c9f 100644
--- a/netwerk/test/unit/test_cache2-22-anon-visit.js
+++ b/netwerk/test/unit/test_cache2-22-anon-visit.js
@@ -24,7 +24,7 @@ function run_test() {
     "disk",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     Services.loadContextInfo.default,
-    new OpenCallback(NEW | WAITFORWRITE, "an2", "an2", function (entry) {
+    new OpenCallback(NEW | WAITFORWRITE, "an2", "an2", function () {
       mc.fired();
     })
   );
@@ -34,7 +34,7 @@ function run_test() {
     "disk",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     Services.loadContextInfo.anonymous,
-    new OpenCallback(NEW | WAITFORWRITE, "an2", "an2", function (entry) {
+    new OpenCallback(NEW | WAITFORWRITE, "an2", "an2", function () {
       mc.fired();
     })
   );
diff --git a/netwerk/test/unit/test_cache2-24-exists.js b/netwerk/test/unit/test_cache2-24-exists.js
index 7f7c50e9f0..662a9b5139 100644
--- a/netwerk/test/unit/test_cache2-24-exists.js
+++ b/netwerk/test/unit/test_cache2-24-exists.js
@@ -24,7 +24,7 @@ function run_test() {
     "disk",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     Services.loadContextInfo.default,
-    new OpenCallback(NEW | WAITFORWRITE, "meta", "data", function (entry) {
+    new OpenCallback(NEW | WAITFORWRITE, "meta", "data", function () {
       mc.fired();
     })
   );
@@ -34,7 +34,7 @@ function run_test() {
     "memory",
     Ci.nsICacheStorage.OPEN_NORMALLY,
     Services.loadContextInfo.default,
-    new OpenCallback(NEW | WAITFORWRITE, "meta", "data", function (entry) {
+    new OpenCallback(NEW | WAITFORWRITE, "meta", "data", function () {
       mc.fired();
     })
   );
diff --git a/netwerk/test/unit/test_cache2-29a-concurrent_read_resumable_entry_size_zero.js b/netwerk/test/unit/test_cache2-29a-concurrent_read_resumable_entry_size_zero.js
index b97c4b113c..da95e63754 100644
--- a/netwerk/test/unit/test_cache2-29a-concurrent_read_resumable_entry_size_zero.js
+++ b/netwerk/test/unit/test_cache2-29a-concurrent_read_resumable_entry_size_zero.js
@@ -27,7 +27,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_cache2-29b-concurrent_read_non-resumable_entry_size_zero.js b/netwerk/test/unit/test_cache2-29b-concurrent_read_non-resumable_entry_size_zero.js
index e221be7661..fb7111659c 100644
--- a/netwerk/test/unit/test_cache2-29b-concurrent_read_non-resumable_entry_size_zero.js
+++ b/netwerk/test/unit/test_cache2-29b-concurrent_read_non-resumable_entry_size_zero.js
@@ -29,7 +29,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_cache2-29c-concurrent_read_half-interrupted.js b/netwerk/test/unit/test_cache2-29c-concurrent_read_half-interrupted.js
index 706ad894ca..3a5b22eea8 100644
--- a/netwerk/test/unit/test_cache2-29c-concurrent_read_half-interrupted.js
+++ b/netwerk/test/unit/test_cache2-29c-concurrent_read_half-interrupted.js
@@ -29,7 +29,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_cache2-29d-concurrent_read_half-corrupted-206.js b/netwerk/test/unit/test_cache2-29d-concurrent_read_half-corrupted-206.js
index d9886a6fbf..e59286ee33 100644
--- a/netwerk/test/unit/test_cache2-29d-concurrent_read_half-corrupted-206.js
+++ b/netwerk/test/unit/test_cache2-29d-concurrent_read_half-corrupted-206.js
@@ -29,7 +29,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -90,6 +90,6 @@ function firstTimeThrough(request, buffer) {
   Assert.equal(buffer, responseBody);
 }
 
-function secondTimeThrough(request, buffer) {
+function secondTimeThrough() {
   httpServer.stop(do_test_finished);
 }
diff --git a/netwerk/test/unit/test_cache2-29e-concurrent_read_half-non-206-response.js b/netwerk/test/unit/test_cache2-29e-concurrent_read_half-non-206-response.js
index 7d517d518d..a491c9925e 100644
--- a/netwerk/test/unit/test_cache2-29e-concurrent_read_half-non-206-response.js
+++ b/netwerk/test/unit/test_cache2-29e-concurrent_read_half-non-206-response.js
@@ -29,7 +29,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -85,6 +85,6 @@ function firstTimeThrough(request, buffer) {
   Assert.equal(buffer, responseBody);
 }
 
-function secondTimeThrough(request, buffer) {
+function secondTimeThrough() {
   httpServer.stop(do_test_finished);
 }
diff --git a/netwerk/test/unit/test_cache2-30c-pinning-deferred-doom.js b/netwerk/test/unit/test_cache2-30c-pinning-deferred-doom.js
index 73dfee0f6b..f70926ebd0 100644
--- a/netwerk/test/unit/test_cache2-30c-pinning-deferred-doom.js
+++ b/netwerk/test/unit/test_cache2-30c-pinning-deferred-doom.js
@@ -74,7 +74,7 @@ function run_test() {
       "pin",
       Ci.nsICacheStorage.OPEN_TRUNCATE,
       lci,
-      new OpenCallback(NEW | WAITFORWRITE, "m" + i, "p" + i, function (entry) {
+      new OpenCallback(NEW | WAITFORWRITE, "m" + i, "p" + i, function () {
         mc.fired();
       })
     );
@@ -85,7 +85,7 @@ function run_test() {
       "disk",
       Ci.nsICacheStorage.OPEN_TRUNCATE,
       lci,
-      new OpenCallback(NEW | WAITFORWRITE, "m" + i, "d" + i, function (entry) {
+      new OpenCallback(NEW | WAITFORWRITE, "m" + i, "d" + i, function () {
         mc.fired();
       })
     );
@@ -95,7 +95,7 @@ function run_test() {
 
   Services.obs.addObserver(
     {
-      observe(subject, topic, data) {
+      observe() {
         // (3)
 
         log_("after purge, second set of opens");
@@ -112,7 +112,7 @@ function run_test() {
             "disk",
             Ci.nsICacheStorage.OPEN_NORMALLY,
             lci,
-            new OpenCallback(NORMAL, "m" + i, "p" + i, function (entry) {
+            new OpenCallback(NORMAL, "m" + i, "p" + i, function () {
               mc.fired();
             })
           );
@@ -131,9 +131,7 @@ function run_test() {
             "disk",
             Ci.nsICacheStorage.OPEN_NORMALLY,
             lci,
-            new OpenCallback(MAYBE_NEW | DOOMED, "m" + i, "d" + i, function (
-              entry
-            ) {
+            new OpenCallback(MAYBE_NEW | DOOMED, "m" + i, "d" + i, function () {
               mc.fired();
             })
           );
@@ -158,7 +156,7 @@ function run_test() {
             "disk",
             Ci.nsICacheStorage.OPEN_NORMALLY,
             lci,
-            new OpenCallback(NORMAL, "m" + i, "p" + i, function (entry) {
+            new OpenCallback(NORMAL, "m" + i, "p" + i, function () {
               mc.fired();
             })
           );
@@ -169,7 +167,7 @@ function run_test() {
             "disk",
             Ci.nsICacheStorage.OPEN_NORMALLY,
             lci,
-            new OpenCallback(NEW, "m2" + i, "d2" + i, function (entry) {
+            new OpenCallback(NEW, "m2" + i, "d2" + i, function () {
               mc.fired();
             })
           );
diff --git a/netwerk/test/unit/test_cache2-30d-pinning-WasEvicted-API.js b/netwerk/test/unit/test_cache2-30d-pinning-WasEvicted-API.js
index fd4622f3f4..aafe911235 100644
--- a/netwerk/test/unit/test_cache2-30d-pinning-WasEvicted-API.js
+++ b/netwerk/test/unit/test_cache2-30d-pinning-WasEvicted-API.js
@@ -69,7 +69,7 @@ function run_test() {
       "pin",
       Ci.nsICacheStorage.OPEN_TRUNCATE,
       lci,
-      new OpenCallback(NEW | WAITFORWRITE, "m" + i, "p" + i, function (entry) {
+      new OpenCallback(NEW | WAITFORWRITE, "m" + i, "p" + i, function () {
         mc.fired();
       })
     );
@@ -80,7 +80,7 @@ function run_test() {
       "disk",
       Ci.nsICacheStorage.OPEN_TRUNCATE,
       lci,
-      new OpenCallback(NEW | WAITFORWRITE, "m" + i, "d" + i, function (entry) {
+      new OpenCallback(NEW | WAITFORWRITE, "m" + i, "d" + i, function () {
         mc.fired();
       })
     );
@@ -90,7 +90,7 @@ function run_test() {
 
   Services.obs.addObserver(
     {
-      observe(subject, topic, data) {
+      observe() {
         // (3)
 
         log_("after purge");
@@ -113,7 +113,7 @@ function run_test() {
             "disk",
             Ci.nsICacheStorage.OPEN_NORMALLY,
             lci,
-            new OpenCallback(NORMAL, "m" + i, "p" + i, function (entry) {
+            new OpenCallback(NORMAL, "m" + i, "p" + i, function () {
               mc.fired();
             })
           );
@@ -124,7 +124,7 @@ function run_test() {
             "disk",
             Ci.nsICacheStorage.OPEN_NORMALLY,
             lci,
-            new OpenCallback(NEW, "m2" + i, "d2" + i, function (entry) {
+            new OpenCallback(NEW, "m2" + i, "d2" + i, function () {
               mc.fired();
             })
           );
diff --git a/netwerk/test/unit/test_cache_204_response.js b/netwerk/test/unit/test_cache_204_response.js
index 3038b7ed71..4c02e1c60d 100644
--- a/netwerk/test/unit/test_cache_204_response.js
+++ b/netwerk/test/unit/test_cache_204_response.js
@@ -35,7 +35,11 @@ async function get_response(channel, fromCache) {
   return new Promise(resolve => {
     channel.asyncOpen(
       new ChannelListener((request, buffer, ctx, isFromCache) => {
-        ok(fromCache == isFromCache, `got response from cache = ${fromCache}`);
+        Assert.equal(
+          fromCache,
+          isFromCache,
+          `got response from cache = ${fromCache}`
+        );
         resolve();
       })
     );
diff --git a/netwerk/test/unit/test_cache_jar.js b/netwerk/test/unit/test_cache_jar.js
index bedde668b4..1ab93980a6 100644
--- a/netwerk/test/unit/test_cache_jar.js
+++ b/netwerk/test/unit/test_cache_jar.js
@@ -20,27 +20,24 @@ function cached_handler(metadata, response) {
   handlers_called++;
 }
 
-function makeChan(url, inIsolatedMozBrowser, userContextId) {
+function makeChan(url, userContextId) {
   var chan = NetUtil.newChannel({
     uri: url,
     loadUsingSystemPrincipal: true,
   }).QueryInterface(Ci.nsIHttpChannel);
-  chan.loadInfo.originAttributes = { inIsolatedMozBrowser, userContextId };
+  chan.loadInfo.originAttributes = { userContextId };
   return chan;
 }
 
-// [inIsolatedMozBrowser, userContextId, expected_handlers_called]
+// [userContextId, expected_handlers_called]
 var firstTests = [
-  [false, 0, 1],
-  [true, 0, 1],
-  [false, 1, 1],
-  [true, 1, 1],
+  [0, 1],
+  [1, 1],
 ];
 var secondTests = [
-  [false, 0, 0],
-  [true, 0, 0],
-  [false, 1, 1],
-  [true, 1, 0],
+  [0, 0],
+  [1, 1],
+  [1, 0],
 ];
 
 async function run_all_tests() {
@@ -81,9 +78,9 @@ function run_test() {
   });
 }
 
-function test_channel(inIsolatedMozBrowser, userContextId, expected) {
+function test_channel(userContextId, expected) {
   return new Promise(resolve => {
-    var chan = makeChan(URL, inIsolatedMozBrowser, userContextId);
+    var chan = makeChan(URL, userContextId);
     chan.asyncOpen(
       new ChannelListener(doneFirstLoad.bind(null, resolve), expected)
     );
@@ -93,7 +90,7 @@ function test_channel(inIsolatedMozBrowser, userContextId, expected) {
 function doneFirstLoad(resolve, req, buffer, expected) {
   // Load it again, make sure it hits the cache
   var oa = req.loadInfo.originAttributes;
-  var chan = makeChan(URL, oa.isInIsolatedMozBrowserElement, oa.userContextId);
+  var chan = makeChan(URL, oa.userContextId);
   chan.asyncOpen(
     new ChannelListener(doneSecondLoad.bind(null, resolve), expected)
   );
diff --git a/netwerk/test/unit/test_captive_portal_service.js b/netwerk/test/unit/test_captive_portal_service.js
index d5c951d16c..86e0db3b83 100644
--- a/netwerk/test/unit/test_captive_portal_service.js
+++ b/netwerk/test/unit/test_captive_portal_service.js
@@ -274,7 +274,7 @@ add_task(async function test_changed_notification() {
   let changedNotificationCount = 0;
   let observer = {
     QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-    observe(aSubject, aTopic, aData) {
+    observe() {
       changedNotificationCount += 1;
     },
   };
diff --git a/netwerk/test/unit/test_channel_close.js b/netwerk/test/unit/test_channel_close.js
index f8f78fd211..a143f4c495 100644
--- a/netwerk/test/unit/test_channel_close.js
+++ b/netwerk/test/unit/test_channel_close.js
@@ -18,32 +18,41 @@ var httpbody = "0123456789";
 
 var live_channels = [];
 
-function run_test() {
+add_task(async function test() {
   httpserver.registerPathHandler(testpath, serverHandler);
   httpserver.start(-1);
+  registerCleanupFunction(async () => {
+    if (httpserver) {
+      await httpserver.stop();
+    }
+  });
 
-  httpProtocolHandler.EnsureHSTSDataReady().then(function () {
-    var local_channel;
+  await httpProtocolHandler.EnsureHSTSDataReady();
 
-    // Opened channel that has no remaining references on shutdown
-    local_channel = setupChannel(testpath);
-    local_channel.asyncOpen(new ChannelListener(checkRequest, local_channel));
+  // Opened channel that has no remaining references on shutdown
+  let local_channel = setupChannel(testpath);
+  local_channel.asyncOpen(new SimpleChannelListener());
 
-    // Opened channel that has no remaining references after being opened
-    setupChannel(testpath).asyncOpen(new ChannelListener(function () {}, null));
+  // Opened channel that has no remaining references after being opened
+  setupChannel(testpath).asyncOpen(new SimpleChannelListener());
 
-    // Unopened channel that has remaining references on shutdown
-    live_channels.push(setupChannel(testpath));
+  // Unopened channel that has remaining references on shutdown
+  live_channels.push(setupChannel(testpath));
 
-    // Opened channel that has remaining references on shutdown
-    live_channels.push(setupChannel(testpath));
+  // Opened channel that has remaining references on shutdown
+  live_channels.push(setupChannel(testpath));
+  await new Promise(resolve => {
     live_channels[1].asyncOpen(
-      new ChannelListener(checkRequestFinish, live_channels[1])
+      new SimpleChannelListener((req, data) => {
+        Assert.equal(data, httpbody);
+        resolve();
+      })
     );
   });
 
-  do_test_pending();
-}
+  await httpserver.stop();
+  httpserver = null;
+});
 
 function setupChannel(path) {
   var chan = NetUtil.newChannel({
@@ -59,12 +68,3 @@ function serverHandler(metadata, response) {
   response.setHeader("Content-Type", "text/plain", false);
   response.bodyOutputStream.write(httpbody, httpbody.length);
 }
-
-function checkRequest(request, data, context) {
-  Assert.equal(data, httpbody);
-}
-
-function checkRequestFinish(request, data, context) {
-  checkRequest(request, data, context);
-  httpserver.stop(do_test_finished);
-}
diff --git a/netwerk/test/unit/test_chunked_responses.js b/netwerk/test/unit/test_chunked_responses.js
index c8dee14efe..3a2f11a802 100644
--- a/netwerk/test/unit/test_chunked_responses.js
+++ b/netwerk/test/unit/test_chunked_responses.js
@@ -75,7 +75,7 @@ function handler1(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest1(request, data, ctx) {
+function completeTest1(request) {
   Assert.equal(request.status, Cr.NS_ERROR_UNEXPECTED);
 
   run_test_number(2);
@@ -100,7 +100,7 @@ function handler2(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest2(request, data, ctx) {
+function completeTest2(request) {
   Assert.equal(request.status, Cr.NS_ERROR_UNEXPECTED);
   run_test_number(3);
 }
@@ -124,7 +124,7 @@ function handler3(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest3(request, data, ctx) {
+function completeTest3(request) {
   Assert.equal(request.status, 0);
   run_test_number(4);
 }
@@ -148,7 +148,7 @@ function handler4(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest4(request, data, ctx) {
+function completeTest4(request) {
   Assert.equal(request.status, 0);
   run_test_number(5);
 }
@@ -173,7 +173,7 @@ function handler5(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest5(request, data, ctx) {
+function completeTest5(request) {
   Assert.equal(request.status, Cr.NS_ERROR_UNEXPECTED);
   endTests();
   //  run_test_number(6);
diff --git a/netwerk/test/unit/test_client_auth_with_proxy.js b/netwerk/test/unit/test_client_auth_with_proxy.js
index 5a205f4db1..11f0ebdafe 100644
--- a/netwerk/test/unit/test_client_auth_with_proxy.js
+++ b/netwerk/test/unit/test_client_auth_with_proxy.js
@@ -41,7 +41,7 @@ class SecurityObserver {
     this.output = output;
   }
 
-  onHandshakeDone(socket, status) {
+  onHandshakeDone() {
     info("TLS handshake done");
 
     let output = this.output;
diff --git a/netwerk/test/unit/test_connection_based_auth.js b/netwerk/test/unit/test_connection_based_auth.js
index 3a21ffcb77..049478aeba 100644
--- a/netwerk/test/unit/test_connection_based_auth.js
+++ b/netwerk/test/unit/test_connection_based_auth.js
@@ -37,7 +37,7 @@ add_task(async function test_connection_based_auth() {
   let proxy = new NodeHTTPSProxyServer();
   await proxy.start();
 
-  await proxy.registerConnectHandler((req, clientSocket, head) => {
+  await proxy.registerConnectHandler((req, clientSocket) => {
     if (!req.headers["proxy-authorization"]) {
       clientSocket.write(
         "HTTP/1.1 407 Unauthorized\r\n" +
diff --git a/netwerk/test/unit/test_content_encoding_gzip.js b/netwerk/test/unit/test_content_encoding_gzip.js
index 48479034b8..1137a306e5 100644
--- a/netwerk/test/unit/test_content_encoding_gzip.js
+++ b/netwerk/test/unit/test_content_encoding_gzip.js
@@ -113,7 +113,7 @@ function startIter() {
   );
 }
 
-function completeIter(request, data, ctx) {
+function completeIter(request, data) {
   if (!(tests[index].flags & CL_EXPECT_FAILURE)) {
     Assert.equal(data.length, tests[index].datalen, "test " + index);
   }
diff --git a/netwerk/test/unit/test_content_length_underrun.js b/netwerk/test/unit/test_content_length_underrun.js
index f5f8e40a8a..2a01b98110 100644
--- a/netwerk/test/unit/test_content_length_underrun.js
+++ b/netwerk/test/unit/test_content_length_underrun.js
@@ -73,7 +73,7 @@ function run_gzip_test(num) {
       "nsIRequestObserver",
     ]),
 
-    onStartRequest(aRequest) {},
+    onStartRequest() {},
 
     onStopRequest(aRequest, aStatusCode) {
       // Make sure we catch the error NS_ERROR_NET_PARTIAL_TRANSFER here.
@@ -82,7 +82,7 @@ function run_gzip_test(num) {
       endTests();
     },
 
-    onDataAvailable(request, stream, offset, count) {},
+    onDataAvailable() {},
   };
 
   let listener = new StreamListener();
@@ -128,7 +128,7 @@ function handler1(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest1(request, data, ctx) {
+function completeTest1(request) {
   Assert.equal(request.status, Cr.NS_ERROR_NET_PARTIAL_TRANSFER);
 
   run_test_number(11);
@@ -152,7 +152,7 @@ function handler11(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest11(request, data, ctx) {
+function completeTest11(request) {
   Assert.equal(request.status, Cr.NS_OK);
   run_test_number(2);
 }
@@ -176,7 +176,7 @@ function handler2(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest2(request, data, ctx) {
+function completeTest2(request) {
   Assert.equal(request.status, Cr.NS_OK);
 
   // test 3 requires the enforce-framing prefs to be false
@@ -207,7 +207,7 @@ function handler3(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest3(request, data, ctx) {
+function completeTest3(request) {
   Assert.equal(request.status, Cr.NS_OK);
   prefs.setBoolPref("network.http.enforce-framing.soft", true);
   run_test_number(4);
@@ -249,7 +249,7 @@ function handler4(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest4(request, data, ctx) {
+function completeTest4(request) {
   Assert.equal(request.status, Cr.NS_OK);
 
   prefs.setBoolPref("network.http.enforce-framing.http1", true);
diff --git a/netwerk/test/unit/test_content_sniffer.js b/netwerk/test/unit/test_content_sniffer.js
index 26fb55cece..7b109019cd 100644
--- a/netwerk/test/unit/test_content_sniffer.js
+++ b/netwerk/test/unit/test_content_sniffer.js
@@ -27,7 +27,7 @@ var sniffer = {
     return this.QueryInterface(iid);
   },
 
-  getMIMETypeFromContent(request, data, length) {
+  getMIMETypeFromContent() {
     return sniffedType;
   },
 };
@@ -72,7 +72,7 @@ var listener = {
     throw Components.Exception("", Cr.NS_ERROR_UNEXPECTED);
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR() {
     run_test_iteration(this._iteration);
     do_test_finished();
   },
diff --git a/netwerk/test/unit/test_cookie_header.js b/netwerk/test/unit/test_cookie_header.js
index a5326ef25c..15f384c5cf 100644
--- a/netwerk/test/unit/test_cookie_header.js
+++ b/netwerk/test/unit/test_cookie_header.js
@@ -48,7 +48,7 @@ var listener = {
     throw Components.Exception("", Cr.NS_ERROR_UNEXPECTED);
   },
 
-  onStopRequest: async function test_onStopR(request, status) {
+  onStopRequest: async function test_onStopR() {
     if (this._iteration == 1) {
       await run_test_continued();
     } else {
diff --git a/netwerk/test/unit/test_cookiejars.js b/netwerk/test/unit/test_cookiejars.js
index 1d78893f8c..aaf8832f62 100644
--- a/netwerk/test/unit/test_cookiejars.js
+++ b/netwerk/test/unit/test_cookiejars.js
@@ -36,19 +36,11 @@ function inChildProcess() {
 var tests = [
   {
     cookieName: "LCC_App0_BrowF_PrivF",
-    originAttributes: new OriginAttributes(0, false, 0),
-  },
-  {
-    cookieName: "LCC_App0_BrowT_PrivF",
-    originAttributes: new OriginAttributes(0, true, 0),
+    originAttributes: new OriginAttributes(0),
   },
   {
     cookieName: "LCC_App1_BrowF_PrivF",
-    originAttributes: new OriginAttributes(1, false, 0),
-  },
-  {
-    cookieName: "LCC_App1_BrowT_PrivF",
-    originAttributes: new OriginAttributes(1, true, 0),
+    originAttributes: new OriginAttributes(1),
   },
 ];
 
@@ -88,7 +80,7 @@ function setCookie() {
   channel.asyncOpen(new ChannelListener(setNextCookie, null));
 }
 
-function setNextCookie(request, data, context) {
+function setNextCookie() {
   if (++i == tests.length) {
     // all cookies set: switch to checking them
     i = 0;
@@ -106,7 +98,7 @@ function checkCookie() {
   channel.asyncOpen(new ChannelListener(completeCheckCookie, null));
 }
 
-function completeCheckCookie(request, data, context) {
+function completeCheckCookie(request) {
   // Look for all cookies in what the server saw: fail if we see any besides the
   // one expected cookie for each namespace;
   var expectedCookie = tests[i].cookieName;
diff --git a/netwerk/test/unit/test_cookiejars_safebrowsing.js b/netwerk/test/unit/test_cookiejars_safebrowsing.js
index 855bacef42..8cb9d03c37 100644
--- a/netwerk/test/unit/test_cookiejars_safebrowsing.js
+++ b/netwerk/test/unit/test_cookiejars_safebrowsing.js
@@ -154,7 +154,7 @@ add_test(function test_safebrowsing_gethash() {
     URL + safebrowsingGethashPath,
     "test-phish-simple",
     {
-      completionV2(hash, table, chunkId) {},
+      completionV2() {},
 
       completionFinished(status) {
         Assert.equal(status, Cr.NS_OK);
@@ -181,7 +181,7 @@ add_test(function test_non_safebrowsing_cookie() {
     );
   }
 
-  function completeCheckNonSafeBrowsingCookie(request, data, context) {
+  function completeCheckNonSafeBrowsingCookie(request) {
     // Confirm that only the >> ONE << cookie is sent over the channel.
     var expectedCookie = cookieName + "=1";
     request.QueryInterface(Ci.nsIHttpChannel);
@@ -212,7 +212,7 @@ add_test(function test_safebrowsing_cookie() {
     );
   }
 
-  function completeCheckSafeBrowsingCookie(request, data, context) {
+  function completeCheckSafeBrowsingCookie(request) {
     // Confirm that all >> THREE << cookies are sent back over the channel:
     //   a) the safebrowsing cookie set when updating
     //   b) the safebrowsing cookie set when sending gethash
diff --git a/netwerk/test/unit/test_cookies_async_failure.js b/netwerk/test/unit/test_cookies_async_failure.js
index c61da23f99..9aaad03982 100644
--- a/netwerk/test/unit/test_cookies_async_failure.js
+++ b/netwerk/test/unit/test_cookies_async_failure.js
@@ -158,7 +158,7 @@ async function run_test_1() {
   Assert.equal(Services.cookies.countCookiesFromHost(cookie.host), 1);
 
   let isRebuildingDone = false;
-  let rebuildingObserve = function (subject, topic, data) {
+  let rebuildingObserve = function () {
     isRebuildingDone = true;
     Services.obs.removeObserver(rebuildingObserve, "cookie-db-rebuilding");
   };
diff --git a/netwerk/test/unit/test_dns_localredirect.js b/netwerk/test/unit/test_dns_localredirect.js
index 3ca432f477..5907f15b06 100644
--- a/netwerk/test/unit/test_dns_localredirect.js
+++ b/netwerk/test/unit/test_dns_localredirect.js
@@ -5,7 +5,7 @@ var prefs = Services.prefs;
 var nextTest;
 
 var listener = {
-  onLookupComplete(inRequest, inRecord, inStatus) {
+  onLookupComplete(inRequest, inRecord) {
     inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
     var answer = inRecord.getNextAddrAsString();
     Assert.ok(answer == "127.0.0.1" || answer == "::1");
diff --git a/netwerk/test/unit/test_dns_onion.js b/netwerk/test/unit/test_dns_onion.js
index 928753f71f..e13974a39e 100644
--- a/netwerk/test/unit/test_dns_onion.js
+++ b/netwerk/test/unit/test_dns_onion.js
@@ -17,7 +17,7 @@ var listenerBlock = {
 
 // check that we do lookup .onion (via pref)
 var listenerDontBlock = {
-  onLookupComplete(inRequest, inRecord, inStatus) {
+  onLookupComplete(inRequest, inRecord) {
     inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
     var answer = inRecord.getNextAddrAsString();
     Assert.ok(answer == "127.0.0.1" || answer == "::1");
diff --git a/netwerk/test/unit/test_dns_proxy_bypass.js b/netwerk/test/unit/test_dns_proxy_bypass.js
index d53efc3dd3..6951b5cd1f 100644
--- a/netwerk/test/unit/test_dns_proxy_bypass.js
+++ b/netwerk/test/unit/test_dns_proxy_bypass.js
@@ -48,12 +48,12 @@ function WSListener(closure) {
   this._closure = closure;
 }
 WSListener.prototype = {
-  onAcknowledge(aContext, aSize) {},
-  onBinaryMessageAvailable(aContext, aMsg) {},
-  onMessageAvailable(aContext, aMsg) {},
-  onServerClose(aContext, aCode, aReason) {},
-  onStart(aContext) {},
-  onStop(aContext, aStatusCode) {
+  onAcknowledge() {},
+  onBinaryMessageAvailable() {},
+  onMessageAvailable() {},
+  onServerClose() {},
+  onStart() {},
+  onStop() {
     dnsRequestObserver.unregister();
     this._closure();
   },
diff --git a/netwerk/test/unit/test_dns_retry.js b/netwerk/test/unit/test_dns_retry.js
index 24688417fa..477586126e 100644
--- a/netwerk/test/unit/test_dns_retry.js
+++ b/netwerk/test/unit/test_dns_retry.js
@@ -142,8 +142,8 @@ StatusCounter.prototype = {
     return this.QueryInterface(iid);
   },
 
-  onProgress(request, progress, progressMax) {},
-  onStatus(request, status, statusArg) {
+  onProgress() {},
+  onStatus(request, status) {
     this._statusCount[status] = 1 + (this._statusCount[status] || 0);
   },
 };
@@ -154,7 +154,7 @@ let HttpListener = function (finish, succeeded) {
 };
 
 HttpListener.prototype = {
-  onStartRequest: function testOnStartRequest(request) {},
+  onStartRequest: function testOnStartRequest() {},
 
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     read_stream(stream, cnt);
@@ -167,7 +167,7 @@ HttpListener.prototype = {
 };
 
 function promiseObserverNotification(aTopic, matchFunc) {
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     Services.obs.addObserver(function observe(subject, topic, data) {
       let matches = typeof matchFunc != "function" || matchFunc(subject, data);
       if (!matches) {
diff --git a/netwerk/test/unit/test_dooh.js b/netwerk/test/unit/test_dooh.js
index cab4b3bb02..d422bac5e9 100644
--- a/netwerk/test/unit/test_dooh.js
+++ b/netwerk/test/unit/test_dooh.js
@@ -127,7 +127,7 @@ add_setup(async function setup() {
     Services.prefs.clearUserPref("network.trr.ohttp.relay_uri");
     Services.prefs.clearUserPref("network.trr.ohttp.uri");
     Services.prefs.clearUserPref("network.dns.get-ttl");
-    await new Promise((resolve, reject) => {
+    await new Promise(resolve => {
       httpServer.stop(resolve);
     });
   });
diff --git a/netwerk/test/unit/test_duplicate_headers.js b/netwerk/test/unit/test_duplicate_headers.js
index 78d2355d1e..12e8e8d0d3 100644
--- a/netwerk/test/unit/test_duplicate_headers.js
+++ b/netwerk/test/unit/test_duplicate_headers.js
@@ -73,7 +73,7 @@ function handler1(metadata, response) {
   response.finish();
 }
 
-function completeTest1(request, data, ctx) {
+function completeTest1(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   run_test_number(2);
@@ -94,7 +94,7 @@ function handler2(metadata, response) {
   response.finish();
 }
 
-function completeTest2(request, data, ctx) {
+function completeTest2(request) {
   Assert.equal(request.status, 0);
   run_test_number(3);
 }
@@ -115,7 +115,7 @@ function handler3(metadata, response) {
   response.finish();
 }
 
-function completeTest3(request, data, ctx) {
+function completeTest3(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   run_test_number(4);
@@ -143,7 +143,7 @@ function handler4(metadata, response) {
   response.finish();
 }
 
-function completeTest4(request, data, ctx) {
+function completeTest4(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   run_test_number(5);
@@ -166,7 +166,7 @@ function handler5(metadata, response) {
   response.finish();
 }
 
-function completeTest5(request, data, ctx) {
+function completeTest5(request) {
   try {
     let referer = request.getResponseHeader("Referer");
     Assert.equal(referer, "naive.org");
@@ -196,7 +196,7 @@ function handler6(metadata, response) {
   response.finish();
 }
 
-function completeTest6(request, data, ctx) {
+function completeTest6(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   //  run_test_number(7);   // Test 7 leaking under e10s: unrelated bug?
@@ -221,7 +221,7 @@ function handler7(metadata, response) {
   response.finish();
 }
 
-function completeTest7(request, data, ctx) {
+function completeTest7(request) {
   // for some reason need this here
   request.QueryInterface(Ci.nsIHttpChannel);
 
@@ -254,7 +254,7 @@ function handler8(metadata, response) {
   response.finish();
 }
 
-function completeTest8(request, data, ctx) {
+function completeTest8(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   run_test_number(9);
@@ -282,7 +282,7 @@ function handler9(metadata, response) {
   response.finish();
 }
 
-function completeTest9(request, data, ctx) {
+function completeTest9(request) {
   // All redirection should fail:
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
@@ -307,7 +307,7 @@ function handler10(metadata, response) {
   response.finish();
 }
 
-function completeTest10(request, data, ctx) {
+function completeTest10(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   run_test_number(11);
@@ -329,7 +329,7 @@ function handler11(metadata, response) {
   response.finish();
 }
 
-function completeTest11(request, data, ctx) {
+function completeTest11(request) {
   Assert.equal(request.status, 0);
 
   try {
@@ -360,7 +360,7 @@ function handler12(metadata, response) {
   response.finish();
 }
 
-function completeTest12(request, data, ctx) {
+function completeTest12(request, data) {
   Assert.equal(request.status, Cr.NS_OK);
   Assert.equal(30, data.length);
 
@@ -383,7 +383,7 @@ function handler13(metadata, response) {
   response.finish();
 }
 
-function completeTest13(request, data, ctx) {
+function completeTest13(request, data) {
   Assert.equal(request.status, Cr.NS_OK);
   Assert.equal(30, data.length);
 
@@ -408,7 +408,7 @@ function handler14(metadata, response) {
   response.finish();
 }
 
-function completeTest14(request, data, ctx) {
+function completeTest14(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   run_test_number(15);
@@ -432,7 +432,7 @@ function handler15(metadata, response) {
   response.finish();
 }
 
-function completeTest15(request, data, ctx) {
+function completeTest15(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   run_test_number(16);
@@ -456,7 +456,7 @@ function handler16(metadata, response) {
   response.finish();
 }
 
-function completeTest16(request, data, ctx) {
+function completeTest16(request, data) {
   Assert.equal(request.status, Cr.NS_OK);
   Assert.equal(30, data.length);
 
@@ -485,7 +485,7 @@ function handler17(metadata, response) {
   response.finish();
 }
 
-function completeTest17(request, data, ctx) {
+function completeTest17(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   run_test_number(18);
@@ -507,7 +507,7 @@ function handler18(metadata, response) {
   response.finish();
 }
 
-function completeTest18(request, data, ctx) {
+function completeTest18(request, data) {
   Assert.equal(request.status, Cr.NS_OK);
   Assert.equal(30, data.length);
 
@@ -530,7 +530,7 @@ function handler19(metadata, response) {
   response.finish();
 }
 
-function completeTest19(request, data, ctx) {
+function completeTest19(request, data) {
   Assert.equal(request.status, Cr.NS_OK);
   Assert.equal(30, data.length);
 
@@ -556,7 +556,7 @@ function handler20(metadata, response) {
   response.finish();
 }
 
-function completeTest20(request, data, ctx) {
+function completeTest20(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   endTests();
diff --git a/netwerk/test/unit/test_ech_grease.js b/netwerk/test/unit/test_ech_grease.js
index bbe9c027b5..7505985ef8 100644
--- a/netwerk/test/unit/test_ech_grease.js
+++ b/netwerk/test/unit/test_ech_grease.js
@@ -182,7 +182,7 @@ function startClient(port, useGREASE, beConservative) {
     nonflavors.push("_ECH_GREASE");
   }
 
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     req.onload = () => {
       equal(req.responseText, "OK", "response text should be 'OK'");
 
diff --git a/netwerk/test/unit/test_event_sink.js b/netwerk/test/unit/test_event_sink.js
index e49080c88c..d89c905cd2 100644
--- a/netwerk/test/unit/test_event_sink.js
+++ b/netwerk/test/unit/test_event_sink.js
@@ -26,12 +26,7 @@ var eventsink = {
     return this.QueryInterface(iid);
   },
 
-  asyncOnChannelRedirect: function eventsink_onredir(
-    oldChan,
-    newChan,
-    flags,
-    callback
-  ) {
+  asyncOnChannelRedirect: function eventsink_onredir() {
     // veto
     this.called = true;
     throw Components.Exception("", Cr.NS_BINDING_ABORTED);
@@ -89,7 +84,7 @@ var listener = {
     do_throw("Should not get any data!");
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR() {
     if (this._iteration <= 2) {
       run_test_continued();
     } else {
diff --git a/netwerk/test/unit/test_file_protocol.js b/netwerk/test/unit/test_file_protocol.js
index 707bddef24..4cb6b32b9e 100644
--- a/netwerk/test/unit/test_file_protocol.js
+++ b/netwerk/test/unit/test_file_protocol.js
@@ -163,7 +163,7 @@ function do_test_read_dir(set_type, expected_type) {
   var file = do_get_tempdir();
   var chan = new_file_channel(file);
 
-  function on_read_complete(data) {
+  function on_read_complete() {
     dump(
       "*** test_read_dir.on_read_complete(" +
         set_type +
diff --git a/netwerk/test/unit/test_freshconnection.js b/netwerk/test/unit/test_freshconnection.js
index 5d0f5bc5b7..796111e87b 100644
--- a/netwerk/test/unit/test_freshconnection.js
+++ b/netwerk/test/unit/test_freshconnection.js
@@ -5,13 +5,13 @@
 "use strict";
 
 var listener = {
-  onStartRequest: function test_onStartR(request) {},
+  onStartRequest: function test_onStartR() {},
 
   onDataAvailable: function test_ODA() {
     do_throw("Should not get any data!");
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR() {
     do_test_finished();
   },
 };
diff --git a/netwerk/test/unit/test_getHost.js b/netwerk/test/unit/test_getHost.js
index c27fc0c028..98bbab9dfc 100644
--- a/netwerk/test/unit/test_getHost.js
+++ b/netwerk/test/unit/test_getHost.js
@@ -32,7 +32,7 @@ CheckGetHostListener.prototype = {
     }
   },
 
-  onStopRequest(request, statusCode) {
+  onStopRequest() {
     dump("*** listener onStopRequest\n");
 
     Assert.equal(gotOnStartRequest, true);
diff --git a/netwerk/test/unit/test_gio_protocol.js b/netwerk/test/unit/test_gio_protocol.js
index 37ce37abab..2d3250c203 100644
--- a/netwerk/test/unit/test_gio_protocol.js
+++ b/netwerk/test/unit/test_gio_protocol.js
@@ -82,7 +82,7 @@ FileStreamListener.prototype = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest(request) {
+  onStartRequest() {
     if (this._got_onstartrequest) {
       do_throw("Got second onStartRequest event!");
     }
diff --git a/netwerk/test/unit/test_head.js b/netwerk/test/unit/test_head.js
index 8a6b2a5cd7..fba5e95736 100644
--- a/netwerk/test/unit/test_head.js
+++ b/netwerk/test/unit/test_head.js
@@ -141,7 +141,7 @@ function serverHandler(metadata, response) {
   }
 }
 
-function checkRequestResponse(request, data, context) {
+function checkRequestResponse(request, data) {
   if (dbg) {
     print("============== checkRequestResponse: in");
   }
diff --git a/netwerk/test/unit/test_head_request_no_response_body.js b/netwerk/test/unit/test_head_request_no_response_body.js
index 852a03040f..7f33850217 100644
--- a/netwerk/test/unit/test_head_request_no_response_body.js
+++ b/netwerk/test/unit/test_head_request_no_response_body.js
@@ -43,7 +43,11 @@ async function get_response(channel, fromCache) {
   return new Promise(resolve => {
     channel.asyncOpen(
       new ChannelListener((request, buffer, ctx, isFromCache) => {
-        ok(fromCache == isFromCache, `got response from cache = ${fromCache}`);
+        Assert.equal(
+          fromCache,
+          isFromCache,
+          `got response from cache = ${fromCache}`
+        );
         resolve(buffer);
       })
     );
@@ -66,13 +70,13 @@ add_task(async function () {
   let response;
 
   response = await get_response(make_channel(URI, "GET"), false);
-  ok(response === responseContent, "got response body");
+  Assert.strictEqual(response, responseContent, "got response body");
 
   response = await get_response(make_channel(URI, "GET"), true);
-  ok(response === responseContent, "got response body from cache");
+  Assert.strictEqual(response, responseContent, "got response body from cache");
 
   response = await get_response(make_channel(URI, "HEAD"), false);
-  ok(response === "", "should have empty body");
+  Assert.strictEqual(response, "", "should have empty body");
 
   await stop_server(httpserver);
 });
diff --git a/netwerk/test/unit/test_header_Server_Timing.js b/netwerk/test/unit/test_header_Server_Timing.js
index 0e65cf3ccf..dbf05177e2 100644
--- a/netwerk/test/unit/test_header_Server_Timing.js
+++ b/netwerk/test/unit/test_header_Server_Timing.js
@@ -56,7 +56,7 @@ function checkServerTimingContent(headers) {
   }
 }
 
-function readServerContent(request, buffer) {
+function readServerContent(request) {
   let channel = request.QueryInterface(Ci.nsITimedChannel);
   let headers = channel.serverTiming.QueryInterface(Ci.nsIArray);
   checkServerTimingContent(headers);
diff --git a/netwerk/test/unit/test_headers.js b/netwerk/test/unit/test_headers.js
index e1439c6c43..352ea6b3aa 100644
--- a/netwerk/test/unit/test_headers.js
+++ b/netwerk/test/unit/test_headers.js
@@ -94,7 +94,7 @@ function handler1(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest1(request, data, ctx) {
+function completeTest1(request) {
   try {
     var chan = request.QueryInterface(Ci.nsIChannel);
     Assert.equal(chan.contentDisposition, chan.DISPOSITION_ATTACHMENT);
@@ -118,7 +118,7 @@ function handler2(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest2(request, data, ctx) {
+function completeTest2(request) {
   try {
     var chan = request.QueryInterface(Ci.nsIChannel);
     Assert.equal(chan.contentDisposition, chan.DISPOSITION_ATTACHMENT);
@@ -143,7 +143,7 @@ function handler3(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest3(request, data, ctx) {
+function completeTest3(request) {
   try {
     var chan = request.QueryInterface(Ci.nsIChannel);
     Assert.equal(chan.contentDisposition, chan.DISPOSITION_ATTACHMENT);
@@ -169,7 +169,7 @@ function handler4(metadata, response) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function completeTest4(request, data, ctx) {
+function completeTest4(request) {
   try {
     var chan = request.QueryInterface(Ci.nsIChannel);
     Assert.equal(chan.contentDisposition, chan.DISPOSITION_INLINE);
diff --git a/netwerk/test/unit/test_http2.js b/netwerk/test/unit/test_http2.js
index 0b80e99dcc..3fef56a14c 100644
--- a/netwerk/test/unit/test_http2.js
+++ b/netwerk/test/unit/test_http2.js
@@ -479,3 +479,12 @@ add_task(async function do_test_http2_push_userContext3() {
   );
   Assert.equal(httpProxyConnectResponseCode, -1);
 });
+
+add_task(async function do_test_http2_continuations_over_max_response_limit() {
+  const { httpProxyConnectResponseCode } =
+    await test_http2_continuations_over_max_response_limit(
+      loadGroup,
+      serverPort
+    );
+  Assert.equal(httpProxyConnectResponseCode, -1);
+});
diff --git a/netwerk/test/unit/test_http2_with_proxy.js b/netwerk/test/unit/test_http2_with_proxy.js
index 858a0da570..dcc913f039 100644
--- a/netwerk/test/unit/test_http2_with_proxy.js
+++ b/netwerk/test/unit/test_http2_with_proxy.js
@@ -423,3 +423,12 @@ add_task(async function do_test_http2_push_userContext3() {
   );
   Assert.equal(httpProxyConnectResponseCode, 200);
 });
+
+add_task(async function do_test_http2_continuations_over_max_response_limit() {
+  const { httpProxyConnectResponseCode } =
+    await test_http2_continuations_over_max_response_limit(
+      loadGroup,
+      serverPort
+    );
+  Assert.equal(httpProxyConnectResponseCode, 200);
+});
diff --git a/netwerk/test/unit/test_http3.js b/netwerk/test/unit/test_http3.js
index 7f3f5b118d..4f202e7fe4 100644
--- a/netwerk/test/unit/test_http3.js
+++ b/netwerk/test/unit/test_http3.js
@@ -283,7 +283,7 @@ MultipleListener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let routed = "";
     try {
       routed = request.getRequestHeader("Alt-Used");
diff --git a/netwerk/test/unit/test_http3_0rtt.js b/netwerk/test/unit/test_http3_0rtt.js
index 1002263ed5..efb6e3539f 100644
--- a/netwerk/test/unit/test_http3_0rtt.js
+++ b/netwerk/test/unit/test_http3_0rtt.js
@@ -32,7 +32,7 @@ Http3Listener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let httpVersion = "";
     try {
       httpVersion = request.protocolVersion;
diff --git a/netwerk/test/unit/test_http3_alt_svc.js b/netwerk/test/unit/test_http3_alt_svc.js
index 201101eb19..46488525ae 100644
--- a/netwerk/test/unit/test_http3_alt_svc.js
+++ b/netwerk/test/unit/test_http3_alt_svc.js
@@ -5,7 +5,7 @@ let h3AltSvc;
 let h3Route;
 let prefs;
 
-let tests = [test_https_alt_svc, testsDone];
+let tests = [test_https_alt_svc, test_https_alt_svc_1, testsDone];
 
 let current_test = 0;
 
@@ -68,7 +68,9 @@ function makeChan(uri) {
   return chan;
 }
 
-let WaitForHttp3Listener = function () {};
+let WaitForHttp3Listener = function (expectedH3Version) {
+  this._expectedH3Version = expectedH3Version;
+};
 
 WaitForHttp3Listener.prototype = {
   onDataAvailableFired: false,
@@ -84,7 +86,7 @@ WaitForHttp3Listener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let routed = "NA";
     try {
       routed = request.getRequestHeader("Alt-Used");
@@ -96,13 +98,18 @@ WaitForHttp3Listener.prototype = {
       try {
         httpVersion = request.protocolVersion;
       } catch (e) {}
-      Assert.equal(httpVersion, "h3-29");
+      Assert.equal(httpVersion, this._expectedH3Version);
       run_next_test();
     } else {
       dump("poll later for alt svc mapping\n");
       do_test_pending();
       do_timeout(500, () => {
-        doTest(this.uri, this.expectedRoute, this.h3AltSvc);
+        doTest(
+          this.uri,
+          this.expectedRoute,
+          this.h3AltSvc,
+          this._expectedH3Version
+        );
       });
     }
 
@@ -110,9 +117,9 @@ WaitForHttp3Listener.prototype = {
   },
 };
 
-function doTest(uri, expectedRoute, altSvc) {
+function doTest(uri, expectedRoute, altSvc, expectedH3Version) {
   let chan = makeChan(uri);
-  let listener = new WaitForHttp3Listener();
+  let listener = new WaitForHttp3Listener(expectedH3Version);
   listener.uri = uri;
   listener.expectedRoute = expectedRoute;
   listener.h3AltSvc = altSvc;
@@ -121,11 +128,23 @@ function doTest(uri, expectedRoute, altSvc) {
 }
 
 // Test Alt-Svc for http3.
-// H2 server returns alt-svc=h2=foo2.example.com:8000,h3-29=:h3port,h3-30=foo2.example.com:8443
+// H2 server returns alt-svc=h2=foo2.example.com:8000,h3-29=:h3port
 function test_https_alt_svc() {
   dump("test_https_alt_svc()\n");
   do_test_pending();
-  doTest(httpsOrigin + "http3-test2", h3Route, h3AltSvc);
+  doTest(httpsOrigin + "http3-test2", h3Route, h3AltSvc, "h3-29");
+}
+
+// Test if we use the latest version of HTTP/3.
+// H2 server returns alt-svc=h3-29=:h3port,h3=:h3port
+function test_https_alt_svc_1() {
+  // Close the previous connection and clear alt-svc mappings.
+  Services.obs.notifyObservers(null, "last-pb-context-exited");
+  Services.obs.notifyObservers(null, "net:cancel-all-connections");
+  do_test_pending();
+  do_timeout(1000, () => {
+    doTest(httpsOrigin + "http3-test3", h3Route, h3AltSvc, "h3");
+  });
 }
 
 function testsDone() {
diff --git a/netwerk/test/unit/test_http3_error_before_connect.js b/netwerk/test/unit/test_http3_error_before_connect.js
index 72f8d61182..6cfab99d7e 100644
--- a/netwerk/test/unit/test_http3_error_before_connect.js
+++ b/netwerk/test/unit/test_http3_error_before_connect.js
@@ -70,7 +70,7 @@ add_task(async function test_fatal_stream_error() {
 let CheckOnlyHttp2Listener = function () {};
 
 CheckOnlyHttp2Listener.prototype = {
-  onStartRequest: function testOnStartRequest(request) {},
+  onStartRequest: function testOnStartRequest() {},
 
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     read_stream(stream, cnt);
diff --git a/netwerk/test/unit/test_http3_fast_fallback.js b/netwerk/test/unit/test_http3_fast_fallback.js
index ab2b6b7044..94a3268702 100644
--- a/netwerk/test/unit/test_http3_fast_fallback.js
+++ b/netwerk/test/unit/test_http3_fast_fallback.js
@@ -102,7 +102,7 @@ function channelOpenPromise(chan, flags, delay) {
 let CheckOnlyHttp2Listener = function () {};
 
 CheckOnlyHttp2Listener.prototype = {
-  onStartRequest: function testOnStartRequest(request) {},
+  onStartRequest: function testOnStartRequest() {},
 
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     read_stream(stream, cnt);
diff --git a/netwerk/test/unit/test_http3_fatal_stream_error.js b/netwerk/test/unit/test_http3_fatal_stream_error.js
index 4c0b41089a..13b2411df0 100644
--- a/netwerk/test/unit/test_http3_fatal_stream_error.js
+++ b/netwerk/test/unit/test_http3_fatal_stream_error.js
@@ -19,7 +19,7 @@ registerCleanupFunction(async () => {
 let Http3FailedListener = function () {};
 
 Http3FailedListener.prototype = {
-  onStartRequest: function testOnStartRequest(request) {},
+  onStartRequest: function testOnStartRequest() {},
 
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     this.amount += cnt;
@@ -103,7 +103,7 @@ add_task(async function test_fatal_stream_error() {
 let CheckOnlyHttp2Listener = function () {};
 
 CheckOnlyHttp2Listener.prototype = {
-  onStartRequest: function testOnStartRequest(request) {},
+  onStartRequest: function testOnStartRequest() {},
 
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     read_stream(stream, cnt);
diff --git a/netwerk/test/unit/test_http3_large_post.js b/netwerk/test/unit/test_http3_large_post.js
index 2ed8e51bb4..50ad3ef37a 100644
--- a/netwerk/test/unit/test_http3_large_post.js
+++ b/netwerk/test/unit/test_http3_large_post.js
@@ -38,7 +38,7 @@ Http3Listener.prototype = {
     this.onProgressNotificationCount += 1;
   },
 
-  onStatus(request, status, statusArg) {},
+  onStatus() {},
 
   onStartRequest: function testOnStartRequest(request) {
     Assert.equal(request.status, this.expectedStatus);
@@ -55,7 +55,7 @@ Http3Listener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let httpVersion = "";
     try {
       httpVersion = request.protocolVersion;
diff --git a/netwerk/test/unit/test_http3_large_post_telemetry.js b/netwerk/test/unit/test_http3_large_post_telemetry.js
index 33ad4b7d21..a473dd5442 100644
--- a/netwerk/test/unit/test_http3_large_post_telemetry.js
+++ b/netwerk/test/unit/test_http3_large_post_telemetry.js
@@ -59,7 +59,7 @@ Http3Listener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let httpVersion = "";
     try {
       httpVersion = request.protocolVersion;
diff --git a/netwerk/test/unit/test_http3_prio_helpers.js b/netwerk/test/unit/test_http3_prio_helpers.js
index c1f6d06bcb..416a968746 100644
--- a/netwerk/test/unit/test_http3_prio_helpers.js
+++ b/netwerk/test/unit/test_http3_prio_helpers.js
@@ -64,7 +64,7 @@ Http3Listener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let httpVersion = "";
     try {
       httpVersion = request.protocolVersion;
diff --git a/netwerk/test/unit/test_http3_server_not_existing.js b/netwerk/test/unit/test_http3_server_not_existing.js
index b2b5518974..cdaebc1412 100644
--- a/netwerk/test/unit/test_http3_server_not_existing.js
+++ b/netwerk/test/unit/test_http3_server_not_existing.js
@@ -77,7 +77,7 @@ add_task(async function test_fatal_stream_error() {
 let CheckOnlyHttp2Listener = function () {};
 
 CheckOnlyHttp2Listener.prototype = {
-  onStartRequest: function testOnStartRequest(request) {},
+  onStartRequest: function testOnStartRequest() {},
 
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     read_stream(stream, cnt);
diff --git a/netwerk/test/unit/test_http3_trans_close.js b/netwerk/test/unit/test_http3_trans_close.js
index 0bbb183aab..7fc57873cf 100644
--- a/netwerk/test/unit/test_http3_trans_close.js
+++ b/netwerk/test/unit/test_http3_trans_close.js
@@ -29,7 +29,7 @@ Http3Listener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let httpVersion = "";
     try {
       httpVersion = request.protocolVersion;
diff --git a/netwerk/test/unit/test_http3_version1.js b/netwerk/test/unit/test_http3_version1.js
index 65f4eef906..6c41a29ed7 100644
--- a/netwerk/test/unit/test_http3_version1.js
+++ b/netwerk/test/unit/test_http3_version1.js
@@ -45,13 +45,13 @@ let Http3Listener = function () {};
 Http3Listener.prototype = {
   version1enabled: "",
 
-  onStartRequest: function testOnStartRequest(request) {},
+  onStartRequest: function testOnStartRequest() {},
 
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let httpVersion = "";
     try {
       httpVersion = request.protocolVersion;
diff --git a/netwerk/test/unit/test_httpResponseTimeout.js b/netwerk/test/unit/test_httpResponseTimeout.js
index c689abc2b5..267b3aa5f4 100644
--- a/netwerk/test/unit/test_httpResponseTimeout.js
+++ b/netwerk/test/unit/test_httpResponseTimeout.js
@@ -27,9 +27,9 @@ function TimeoutListener(expectResponse) {
 }
 
 TimeoutListener.prototype = {
-  onStartRequest(request) {},
+  onStartRequest() {},
 
-  onDataAvailable(request, stream) {},
+  onDataAvailable() {},
 
   onStopRequest(request, status) {
     if (this.expectResponse) {
diff --git a/netwerk/test/unit/test_http_server_timing.js b/netwerk/test/unit/test_http_server_timing.js
index c9d46797f3..7ade62edef 100644
--- a/netwerk/test/unit/test_http_server_timing.js
+++ b/netwerk/test/unit/test_http_server_timing.js
@@ -53,7 +53,7 @@ add_task(async function test_localhost_origin() {
   });
   await new Promise(resolve => {
     chan.asyncOpen(
-      new ChannelListener((request, buffer) => {
+      new ChannelListener(request => {
         let channel = request.QueryInterface(Ci.nsITimedChannel);
         let headers = channel.serverTiming.QueryInterface(Ci.nsIArray);
         ok(headers.length);
@@ -86,7 +86,7 @@ add_task(async function test_http_non_localhost() {
   });
   await new Promise(resolve => {
     chan.asyncOpen(
-      new ChannelListener((request, buffer) => {
+      new ChannelListener(request => {
         let channel = request.QueryInterface(Ci.nsITimedChannel);
         let headers = channel.serverTiming.QueryInterface(Ci.nsIArray);
         Assert.equal(headers.length, 0);
diff --git a/netwerk/test/unit/test_httpcancel.js b/netwerk/test/unit/test_httpcancel.js
index 04958ffd2b..9ed17235cd 100644
--- a/netwerk/test/unit/test_httpcancel.js
+++ b/netwerk/test/unit/test_httpcancel.js
@@ -27,7 +27,7 @@ var ReferrerInfo = Components.Constructor(
 var observer = {
   QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
 
-  observe(subject, topic, data) {
+  observe(subject) {
     subject = subject.QueryInterface(Ci.nsIRequest);
     subject.cancelWithReason(Cr.NS_BINDING_ABORTED, reason);
 
@@ -83,7 +83,7 @@ let cancelDuringOnStartListener = {
     do_throw("Should not get any data!");
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR() {
     this.resolved();
   },
 };
@@ -92,7 +92,7 @@ var cancelDuringOnDataListener = {
   data: "",
   channel: null,
   receivedSomeData: null,
-  onStartRequest: function test_onStartR(request, ctx) {
+  onStartRequest: function test_onStartR(request) {
     Assert.equal(request.status, Cr.NS_OK);
   },
 
@@ -106,7 +106,7 @@ var cancelDuringOnDataListener = {
     }
   },
 
-  onStopRequest: function test_onStopR(request, ctx, status) {
+  onStopRequest: function test_onStopR(request) {
     Assert.ok(this.data.includes("a"), `data: ${this.data}`);
     Assert.equal(request.status, Cr.NS_BINDING_ABORTED);
     this.resolved();
@@ -195,7 +195,7 @@ add_task(async function test_cancel_during_onData() {
 var cancelAfterOnStopListener = {
   data: "",
   channel: null,
-  onStartRequest: function test_onStartR(request, ctx) {
+  onStartRequest: function test_onStartR(request) {
     Assert.equal(request.status, Cr.NS_OK);
   },
 
@@ -204,7 +204,7 @@ var cancelAfterOnStopListener = {
     this.data += string;
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR(request) {
     info("onStopRequest");
     Assert.equal(request.status, Cr.NS_OK);
     this.resolved();
@@ -233,7 +233,7 @@ add_task(async function test_cancel_after_onStop() {
 // PATHS
 
 // /failtest
-function failtest(metadata, response) {
+function failtest() {
   do_throw("This should not be reached");
 }
 
diff --git a/netwerk/test/unit/test_httpssvc_https_upgrade.js b/netwerk/test/unit/test_httpssvc_https_upgrade.js
index 837006767c..08f95d987c 100644
--- a/netwerk/test/unit/test_httpssvc_https_upgrade.js
+++ b/netwerk/test/unit/test_httpssvc_https_upgrade.js
@@ -192,7 +192,7 @@ add_task(async function testInvalidDNSResult1() {
   let topic = "http-on-modify-request";
   let observer = {
     QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-    observe(aSubject, aTopic, aData) {
+    observe(aSubject, aTopic) {
       if (aTopic == topic) {
         Services.obs.removeObserver(observer, topic);
         let channel = aSubject.QueryInterface(Ci.nsIChannel);
@@ -266,7 +266,7 @@ add_task(async function testHttpRequestBlocked() {
         this.obs.removeObserver(this, "dns-resolution-request");
       }
     },
-    observe(subject, topic, data) {
+    observe(subject, topic) {
       if (topic == "dns-resolution-request") {
         Assert.ok(false, "unreachable");
       }
@@ -278,7 +278,7 @@ add_task(async function testHttpRequestBlocked() {
   Services.prefs.setBoolPref("network.dns.disablePrefetch", true);
 
   let httpserv = new HttpServer();
-  httpserv.registerPathHandler("/", function handler(metadata, response) {
+  httpserv.registerPathHandler("/", function handler() {
     Assert.ok(false, "unreachable");
   });
   httpserv.start(-1);
@@ -295,7 +295,7 @@ add_task(async function testHttpRequestBlocked() {
   let topic = "http-on-modify-request";
   let observer = {
     QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-    observe(aSubject, aTopic, aData) {
+    observe(aSubject, aTopic) {
       if (aTopic == topic) {
         Services.obs.removeObserver(observer, topic);
         let channel = aSubject.QueryInterface(Ci.nsIChannel);
diff --git a/netwerk/test/unit/test_httpsuspend.js b/netwerk/test/unit/test_httpsuspend.js
index 581caf906e..ecbb648f4e 100644
--- a/netwerk/test/unit/test_httpsuspend.js
+++ b/netwerk/test/unit/test_httpsuspend.js
@@ -52,7 +52,7 @@ var listener = {
     this._gotData = true;
   },
 
-  onStopRequest(request, status) {
+  onStopRequest() {
     Assert.ok(this._gotData);
     httpserv.stop(do_test_finished);
   },
diff --git a/netwerk/test/unit/test_idn_spoof.js b/netwerk/test/unit/test_idn_spoof.js
index 8512d3272e..5710b3b778 100644
--- a/netwerk/test/unit/test_idn_spoof.js
+++ b/netwerk/test/unit/test_idn_spoof.js
@@ -243,9 +243,9 @@ let testCases = [
   // Han + U+30FB + Han
   ["xn--vek160nb2ay85atj0b.jp", "\u65e5\u672c\u30fb\u91ce\u7403.jp", kSafe],
   // Latin + U+30FB + Latin
-  ["xn--abcdef-k64e.jp", "abc\u30fbdef.jp", kUnsafe, "DISABLED"],
+  ["xn--abcdef-k64e.jp", "abc\u30fbdef.jp", kUnsafe],
   // U+30FB + Latin
-  ["xn--abc-os4b.jp", "\u30fbabc.jp", kUnsafe, "DISABLED"],
+  ["xn--abc-os4b.jp", "\u30fbabc.jp", kUnsafe],
 
   // U+30FD (ヽ) is allowed only after Katakana.
   // Katakana + U+30FD
@@ -416,7 +416,7 @@ let testCases = [
   // þħĸŧƅ.com
   ["xn--vda6f3b2kpf.com", "\u00fe\u0127\u0138\u0167\u0185.com", kUnsafe],
   // þhktb.com
-  ["xn--hktb-9ra.com", "\u00fehktb.com", kUnsafe, "DISABLED"],
+  ["xn--hktb-9ra.com", "\u00fehktb.com", kUnsafe],
   // pħktb.com
   ["xn--pktb-5xa.com", "p\u0127ktb.com", kUnsafe, "DISABLED"],
   // phĸtb.com
@@ -708,9 +708,9 @@ let testCases = [
 
   // Block single/double-quote-like characters.
   // U+02BB (ʻ)
-  ["xn--ab-8nb.com", "a\u02bbb.com", kUnsafe, "DISABLED"],
+  ["xn--ab-8nb.com", "a\u02bbb.com", kUnsafe],
   // U+02BC (ʼ)
-  ["xn--ab-cob.com", "a\u02bcb.com", kUnsafe, "DISABLED"],
+  ["xn--ab-cob.com", "a\u02bcb.com", kUnsafe],
   // U+144A: Not allowed to mix with scripts other than Canadian Syllabics.
   ["xn--ab-jom.com", "a\u144ab.com", kUnsafe],
   ["xn--xcec9s.com", "\u1401\u144a\u1402.com", kUnsafe],
@@ -876,8 +876,8 @@ let testCases = [
   ["xn--ceba.com", "\u05d7\u05d7.com", kUnsafe, "DISABLED"],
 
   // U+00FE (þ) and U+00F0 (ð) are only allowed under the .is TLD.
-  ["xn--acdef-wva.com", "a\u00fecdef.com", kUnsafe, "DISABLED"],
-  ["xn--mnpqr-jta.com", "mn\u00f0pqr.com", kUnsafe, "DISABLED"],
+  ["xn--acdef-wva.com", "a\u00fecdef.com", kUnsafe],
+  ["xn--mnpqr-jta.com", "mn\u00f0pqr.com", kUnsafe],
   ["xn--acdef-wva.is", "a\u00fecdef.is", kSafe],
   ["xn--mnpqr-jta.is", "mn\u00f0pqr.is", kSafe],
 
@@ -886,13 +886,13 @@ let testCases = [
   ["xn--xample-vyc.az", "\u0259xample.az", kSafe],
 
   // U+00B7 is only allowed on Catalan domains between two l's.
-  ["xn--googlecom-5pa.com", "google\u00b7com.com", kUnsafe, "DISABLED"],
-  ["xn--ll-0ea.com", "l\u00b7l.com", kUnsafe, "DISABLED"],
+  ["xn--googlecom-5pa.com", "google\u00b7com.com", kUnsafe],
+  ["xn--ll-0ea.com", "l\u00b7l.com", kUnsafe],
   ["xn--ll-0ea.cat", "l\u00b7l.cat", kSafe],
-  ["xn--al-0ea.cat", "a\u00b7l.cat", kUnsafe, "DISABLED"],
-  ["xn--la-0ea.cat", "l\u00b7a.cat", kUnsafe, "DISABLED"],
-  ["xn--l-fda.cat", "\u00b7l.cat", kUnsafe, "DISABLED"],
-  ["xn--l-gda.cat", "l\u00b7.cat", kUnsafe, "DISABLED"],
+  ["xn--al-0ea.cat", "a\u00b7l.cat", kUnsafe],
+  ["xn--la-0ea.cat", "l\u00b7a.cat", kUnsafe],
+  ["xn--l-fda.cat", "\u00b7l.cat", kUnsafe],
+  ["xn--l-gda.cat", "l\u00b7.cat", kUnsafe],
 
   ["xn--googlecom-gk6n.com", "google\u4e28com.com", kUnsafe, "DISABLED"],
   ["xn--googlecom-0y6n.com", "google\u4e5bcom.com", kUnsafe, "DISABLED"],
@@ -1050,3 +1050,9 @@ add_task(async function test_chrome_spoofs() {
     }
   }
 });
+
+add_task(async function test_interpuncts_fqdn() {
+  let isAscii = {};
+  let result = idnService.convertToDisplayIDN("xn--ll-0ea.cat.", isAscii);
+  Assert.equal(result, "l\u00b7l.cat.");
+});
diff --git a/netwerk/test/unit/test_immutable.js b/netwerk/test/unit/test_immutable.js
index f2b07c7114..2cd8d8a721 100644
--- a/netwerk/test/unit/test_immutable.js
+++ b/netwerk/test/unit/test_immutable.js
@@ -75,7 +75,7 @@ Listener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     if (expectConditional) {
       Assert.equal(request.getResponseHeader("x-conditional"), "true");
     } else {
diff --git a/netwerk/test/unit/test_loadgroup_cancel.js b/netwerk/test/unit/test_loadgroup_cancel.js
index 9d5779437f..d63fb4a841 100644
--- a/netwerk/test/unit/test_loadgroup_cancel.js
+++ b/netwerk/test/unit/test_loadgroup_cancel.js
@@ -43,7 +43,7 @@ add_task(async function test_cancelledInOnStop() {
   );
 
   let loadListener = {
-    onStartRequest: aRequest => {
+    onStartRequest: () => {
       info("onStartRequest");
     },
     onStopRequest: (aRequest, aStatusCode) => {
diff --git a/netwerk/test/unit/test_mismatch_last-modified.js b/netwerk/test/unit/test_mismatch_last-modified.js
index 010d5d1178..1f96c5170a 100644
--- a/netwerk/test/unit/test_mismatch_last-modified.js
+++ b/netwerk/test/unit/test_mismatch_last-modified.js
@@ -32,7 +32,7 @@ var listener_3 = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest: function test_onStartR(request) {},
+  onStartRequest: function test_onStartR() {},
 
   onDataAvailable: function test_ODA(request, inputStream, offset, count) {
     var data = new BinaryInputStream(inputStream).readByteArray(count);
@@ -40,7 +40,7 @@ var listener_3 = {
     Assert.equal(data[0], "B".charCodeAt(0));
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR() {
     httpserver.stop(do_test_finished);
   },
 };
@@ -55,7 +55,7 @@ ChromeUtils.defineLazyGetter(this, "listener_2", function () {
       "nsIRequestObserver",
     ]),
 
-    onStartRequest: function test_onStartR(request) {},
+    onStartRequest: function test_onStartR() {},
 
     onDataAvailable: function test_ODA(request, inputStream, offset, count) {
       var data = new BinaryInputStream(inputStream).readByteArray(count);
@@ -66,7 +66,7 @@ ChromeUtils.defineLazyGetter(this, "listener_2", function () {
       Assert.equal(data[0], "A".charCodeAt(0));
     },
 
-    onStopRequest: function test_onStopR(request, status) {
+    onStopRequest: function test_onStopR(request) {
       request.QueryInterface(Ci.nsIHttpChannel);
       var chan = NetUtil.newChannel({
         uri: "http://localhost:" + httpserver.identity.primaryPort + "/test1",
@@ -87,14 +87,14 @@ ChromeUtils.defineLazyGetter(this, "listener_1", function () {
       "nsIRequestObserver",
     ]),
 
-    onStartRequest: function test_onStartR(request) {},
+    onStartRequest: function test_onStartR() {},
 
     onDataAvailable: function test_ODA(request, inputStream, offset, count) {
       var data = new BinaryInputStream(inputStream).readByteArray(count);
       Assert.equal(data[0], "A".charCodeAt(0));
     },
 
-    onStopRequest: function test_onStopR(request, status) {
+    onStopRequest: function test_onStopR(request) {
       request.QueryInterface(Ci.nsIHttpChannel);
       var chan = NetUtil.newChannel({
         uri: "http://localhost:" + httpserver.identity.primaryPort + "/test1",
diff --git a/netwerk/test/unit/test_multipart_byteranges.js b/netwerk/test/unit/test_multipart_byteranges.js
index 475aced456..014e040395 100644
--- a/netwerk/test/unit/test_multipart_byteranges.js
+++ b/netwerk/test/unit/test_multipart_byteranges.js
@@ -100,7 +100,7 @@ var multipartListener = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest(request) {
+  onStartRequest() {
     this._buffer = "";
   },
 
@@ -113,7 +113,7 @@ var multipartListener = {
     }
   },
 
-  onStopRequest(request, status) {
+  onStopRequest(request) {
     try {
       responseHandler(request, this._buffer);
     } catch (ex) {
diff --git a/netwerk/test/unit/test_multipart_set_cookie.js b/netwerk/test/unit/test_multipart_set_cookie.js
new file mode 100644
index 0000000000..c8943cf3cc
--- /dev/null
+++ b/netwerk/test/unit/test_multipart_set_cookie.js
@@ -0,0 +1,116 @@
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+
+var httpserver = null;
+
+ChromeUtils.defineLazyGetter(this, "uri", function () {
+  return "http://localhost:" + httpserver.identity.primaryPort + "/multipart";
+});
+
+function make_channel(url) {
+  return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
+}
+
+var multipartBody =
+  "--boundary\r\nSet-Cookie: foo=bar\r\n\r\nSome text\r\n--boundary--";
+
+function contentHandler(metadata, response) {
+  response.setHeader(
+    "Content-Type",
+    'multipart/x-mixed-replace; boundary="boundary"'
+  );
+  response.bodyOutputStream.write(multipartBody, multipartBody.length);
+}
+
+let first = true;
+
+function responseHandler(request, buffer) {
+  let channel = request.QueryInterface(Ci.nsIChannel);
+  Assert.equal(buffer, "Some text");
+  Assert.equal(channel.contentType, "text/plain");
+
+  // two runs: pref on and off
+  if (first) {
+    // foo=bar should not be visible here
+    Assert.equal(
+      Services.cookies.getCookieStringFromHttp(channel.URI, channel),
+      ""
+    );
+    first = false;
+    Services.prefs.setBoolPref(
+      "network.cookie.prevent_set_cookie_from_multipart",
+      false
+    );
+    createConverterAndRequest();
+  } else {
+    // validate that the pref is working
+    Assert.equal(
+      Services.cookies.getCookieStringFromHttp(channel.URI, channel),
+      "foo=bar"
+    );
+    httpserver.stop(do_test_finished);
+  }
+}
+
+var multipartListener = {
+  _buffer: "",
+
+  QueryInterface: ChromeUtils.generateQI([
+    "nsIStreamListener",
+    "nsIRequestObserver",
+  ]),
+
+  onStartRequest(request) {
+    this._buffer = "";
+  },
+
+  onDataAvailable(request, stream, offset, count) {
+    try {
+      this._buffer = this._buffer.concat(read_stream(stream, count));
+      dump("BUFFEEE: " + this._buffer + "\n\n");
+    } catch (ex) {
+      do_throw("Error in onDataAvailable: " + ex);
+    }
+  },
+
+  onStopRequest(request, status) {
+    try {
+      responseHandler(request, this._buffer);
+    } catch (ex) {
+      do_throw("Error in closure function: " + ex);
+    }
+  },
+};
+
+function createConverterAndRequest() {
+  var streamConv = Cc["@mozilla.org/streamConverters;1"].getService(
+    Ci.nsIStreamConverterService
+  );
+  var conv = streamConv.asyncConvertData(
+    "multipart/x-mixed-replace",
+    "*/*",
+    multipartListener,
+    null
+  );
+
+  var chan = make_channel(uri);
+  chan.asyncOpen(conv);
+}
+
+function run_test() {
+  Services.prefs.setBoolPref(
+    "network.cookieJarSettings.unblocked_for_testing",
+    true
+  );
+
+  httpserver = new HttpServer();
+  httpserver.registerPathHandler("/multipart", contentHandler);
+  httpserver.start(-1);
+
+  createConverterAndRequest();
+
+  do_test_pending();
+}
diff --git a/netwerk/test/unit/test_multipart_streamconv-byte-by-byte.js b/netwerk/test/unit/test_multipart_streamconv-byte-by-byte.js
index c1865f5668..c4e0db0ff5 100644
--- a/netwerk/test/unit/test_multipart_streamconv-byte-by-byte.js
+++ b/netwerk/test/unit/test_multipart_streamconv-byte-by-byte.js
@@ -66,7 +66,7 @@ var multipartListener = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest(request) {
+  onStartRequest() {
     this._buffer = "";
   },
 
@@ -79,7 +79,7 @@ var multipartListener = {
     }
   },
 
-  onStopRequest(request, status) {
+  onStopRequest(request) {
     this._index++;
     // Second part should be last part
     Assert.equal(
diff --git a/netwerk/test/unit/test_multipart_streamconv.js b/netwerk/test/unit/test_multipart_streamconv.js
index c1503e4d8c..159b11f802 100644
--- a/netwerk/test/unit/test_multipart_streamconv.js
+++ b/netwerk/test/unit/test_multipart_streamconv.js
@@ -51,7 +51,7 @@ var multipartListener = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest(request) {
+  onStartRequest() {
     this._buffer = "";
   },
 
@@ -64,7 +64,7 @@ var multipartListener = {
     }
   },
 
-  onStopRequest(request, status) {
+  onStopRequest(request) {
     this._index++;
     // Second part should be last part
     Assert.equal(
diff --git a/netwerk/test/unit/test_multipart_streamconv_empty.js b/netwerk/test/unit/test_multipart_streamconv_empty.js
index 3d3f9dc859..82b7f7000c 100644
--- a/netwerk/test/unit/test_multipart_streamconv_empty.js
+++ b/netwerk/test/unit/test_multipart_streamconv_empty.js
@@ -34,7 +34,7 @@ add_task(async function test_empty() {
         "nsIRequestObserver",
       ]),
 
-      onStartRequest(request) {},
+      onStartRequest() {},
       onDataAvailable(request, stream, offset, count) {
         try {
           this._buffer = this._buffer.concat(read_stream(stream, count));
diff --git a/netwerk/test/unit/test_multipart_streamconv_missing_boundary_lead_dashes.js b/netwerk/test/unit/test_multipart_streamconv_missing_boundary_lead_dashes.js
index 3ed2bd39c6..6829c14158 100644
--- a/netwerk/test/unit/test_multipart_streamconv_missing_boundary_lead_dashes.js
+++ b/netwerk/test/unit/test_multipart_streamconv_missing_boundary_lead_dashes.js
@@ -49,7 +49,7 @@ var multipartListener = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest(request) {
+  onStartRequest() {
     this._buffer = "";
   },
 
@@ -62,7 +62,7 @@ var multipartListener = {
     }
   },
 
-  onStopRequest(request, status) {
+  onStopRequest(request) {
     try {
       responseHandler(request, this._buffer);
     } catch (ex) {
diff --git a/netwerk/test/unit/test_multipart_streamconv_missing_lead_boundary.js b/netwerk/test/unit/test_multipart_streamconv_missing_lead_boundary.js
index 1df4311b90..c57223a1b0 100644
--- a/netwerk/test/unit/test_multipart_streamconv_missing_lead_boundary.js
+++ b/netwerk/test/unit/test_multipart_streamconv_missing_lead_boundary.js
@@ -49,7 +49,7 @@ var multipartListener = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest(request) {
+  onStartRequest() {
     this._buffer = "";
   },
 
@@ -62,7 +62,7 @@ var multipartListener = {
     }
   },
 
-  onStopRequest(request, status) {
+  onStopRequest(request) {
     try {
       responseHandler(request, this._buffer);
     } catch (ex) {
diff --git a/netwerk/test/unit/test_net_addr.js b/netwerk/test/unit/test_net_addr.js
index 331fa9bc74..49f00ce639 100644
--- a/netwerk/test/unit/test_net_addr.js
+++ b/netwerk/test/unit/test_net_addr.js
@@ -62,7 +62,7 @@ TestServer.prototype = {
     this.reset();
   },
 
-  onStopListening(socket) {},
+  onStopListening() {},
 
   /**
    * Called to close a connection and clean up properties.
diff --git a/netwerk/test/unit/test_network_connectivity_service.js b/netwerk/test/unit/test_network_connectivity_service.js
index 6774e79e34..7604c263c6 100644
--- a/netwerk/test/unit/test_network_connectivity_service.js
+++ b/netwerk/test/unit/test_network_connectivity_service.js
@@ -15,7 +15,7 @@ const { HttpServer } = ChromeUtils.importESModule(
  * @returns {Promise} A promise that fulfills when the notification is fired.
  */
 function promiseObserverNotification(topicName, matchFunc) {
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     Services.obs.addObserver(function observe(subject, topic, data) {
       let matches = typeof matchFunc != "function" || matchFunc(subject, data);
       if (!matches) {
diff --git a/netwerk/test/unit/test_networking_over_socket_process.js b/netwerk/test/unit/test_networking_over_socket_process.js
index 79e17140e1..7d879b20c5 100644
--- a/netwerk/test/unit/test_networking_over_socket_process.js
+++ b/netwerk/test/unit/test_networking_over_socket_process.js
@@ -157,7 +157,7 @@ add_task(async function testTooManyCrashes() {
   Assert.ok(socketProcessId != 0);
 
   let socketProcessCrashed = false;
-  Services.obs.addObserver(function observe(subject, topic, data) {
+  Services.obs.addObserver(function observe(subject, topic) {
     Services.obs.removeObserver(observe, topic);
     socketProcessCrashed = true;
   }, "network:socket-process-crashed");
diff --git a/netwerk/test/unit/test_nojsredir.js b/netwerk/test/unit/test_nojsredir.js
index 6b6831a222..227cb04608 100644
--- a/netwerk/test/unit/test_nojsredir.js
+++ b/netwerk/test/unit/test_nojsredir.js
@@ -33,7 +33,7 @@ function startIter() {
   );
 }
 
-function completeIter(request, data, ctx) {
+function completeIter(request, data) {
   Assert.ok(data.length == tests[index].datalen);
   if (++index < tests.length) {
     startIter();
diff --git a/netwerk/test/unit/test_ntlm_authentication.js b/netwerk/test/unit/test_ntlm_authentication.js
index f17f7ebf7d..1517a65df6 100644
--- a/netwerk/test/unit/test_ntlm_authentication.js
+++ b/netwerk/test/unit/test_ntlm_authentication.js
@@ -39,7 +39,7 @@ AuthPrompt1.prototype = {
 
   QueryInterface: ChromeUtils.generateQI(["nsIAuthPrompt"]),
 
-  prompt: function ap1_prompt(title, text, realm, save, defaultText, result) {
+  prompt: function ap1_prompt() {
     do_throw("unexpected prompt call");
   },
 
@@ -95,7 +95,7 @@ AuthPrompt1.prototype = {
     return true;
   },
 
-  promptPassword: function ap1_promptPW(title, text, realm, save, pwd) {
+  promptPassword: function ap1_promptPW() {
     do_throw("unexpected promptPassword call");
   },
 };
@@ -118,7 +118,7 @@ AuthPrompt2.prototype = {
     return true;
   },
 
-  asyncPromptAuth: function ap2_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function ap2_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
@@ -176,7 +176,7 @@ RealmTestRequestor.prototype = {
     return false;
   },
 
-  asyncPromptAuth: function realmtest_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function realmtest_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
diff --git a/netwerk/test/unit/test_ntlm_proxy_and_web_auth.js b/netwerk/test/unit/test_ntlm_proxy_and_web_auth.js
index 3435839275..eb3396770e 100644
--- a/netwerk/test/unit/test_ntlm_proxy_and_web_auth.js
+++ b/netwerk/test/unit/test_ntlm_proxy_and_web_auth.js
@@ -30,7 +30,7 @@ AuthPrompt.prototype = {
     return true;
   },
 
-  asyncPromptAuth: function ap_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function ap_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
@@ -71,7 +71,7 @@ function makeChan(url, loadingUrl) {
 function TestListener(resolve) {
   this.resolve = resolve;
 }
-TestListener.prototype.onStartRequest = function (request, context) {
+TestListener.prototype.onStartRequest = function (request) {
   // Need to do the instanceof to allow request.responseStatus
   // to be read.
   if (!(request instanceof Ci.nsIHttpChannel)) {
@@ -80,7 +80,7 @@ TestListener.prototype.onStartRequest = function (request, context) {
 
   Assert.equal(expectedResponse, request.responseStatus, "HTTP Status code");
 };
-TestListener.prototype.onStopRequest = function (request, context, status) {
+TestListener.prototype.onStopRequest = function () {
   Assert.equal(expectedRequests, requestsMade, "Number of requests made ");
 
   this.resolve();
diff --git a/netwerk/test/unit/test_ntlm_proxy_auth.js b/netwerk/test/unit/test_ntlm_proxy_auth.js
index b6cb27890b..194050c027 100644
--- a/netwerk/test/unit/test_ntlm_proxy_auth.js
+++ b/netwerk/test/unit/test_ntlm_proxy_auth.js
@@ -29,7 +29,7 @@ AuthPrompt.prototype = {
     return true;
   },
 
-  asyncPromptAuth: function ap_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function ap_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
@@ -70,7 +70,7 @@ function makeChan(url, loadingUrl) {
 function TestListener(resolve) {
   this.resolve = resolve;
 }
-TestListener.prototype.onStartRequest = function (request, context) {
+TestListener.prototype.onStartRequest = function (request) {
   // Need to do the instanceof to allow request.responseStatus
   // to be read.
   if (!(request instanceof Ci.nsIHttpChannel)) {
@@ -79,7 +79,7 @@ TestListener.prototype.onStartRequest = function (request, context) {
 
   Assert.equal(expectedResponse, request.responseStatus, "HTTP Status code");
 };
-TestListener.prototype.onStopRequest = function (request, context, status) {
+TestListener.prototype.onStopRequest = function () {
   Assert.equal(expectedRequests, requestsMade, "Number of requests made ");
   Assert.equal(
     exptTypeOneCount,
diff --git a/netwerk/test/unit/test_ntlm_web_auth.js b/netwerk/test/unit/test_ntlm_web_auth.js
index 1325477bc6..9a61e91445 100644
--- a/netwerk/test/unit/test_ntlm_web_auth.js
+++ b/netwerk/test/unit/test_ntlm_web_auth.js
@@ -29,7 +29,7 @@ AuthPrompt.prototype = {
     return true;
   },
 
-  asyncPromptAuth: function ap_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function ap_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
@@ -68,7 +68,7 @@ function makeChan(url, loadingUrl) {
 }
 
 function TestListener() {}
-TestListener.prototype.onStartRequest = function (request, context) {
+TestListener.prototype.onStartRequest = function (request) {
   // Need to do the instanceof to allow request.responseStatus
   // to be read.
   if (!(request instanceof Ci.nsIHttpChannel)) {
@@ -77,7 +77,7 @@ TestListener.prototype.onStartRequest = function (request, context) {
 
   Assert.equal(expectedResponse, request.responseStatus, "HTTP Status code");
 };
-TestListener.prototype.onStopRequest = function (request, context, status) {
+TestListener.prototype.onStopRequest = function () {
   Assert.equal(expectedRequests, requestsMade, "Number of requests made ");
 
   if (current_test < tests.length - 1) {
diff --git a/netwerk/test/unit/test_oblivious_http.js b/netwerk/test/unit/test_oblivious_http.js
index 027426038d..14b3dc7f81 100644
--- a/netwerk/test/unit/test_oblivious_http.js
+++ b/netwerk/test/unit/test_oblivious_http.js
@@ -167,8 +167,8 @@ async function run_one_testcase(testcase) {
       false
     );
   }
-  let response = await new Promise((resolve, reject) => {
-    NetUtil.asyncFetch(obliviousHttpChannel, function (inputStream, result) {
+  let response = await new Promise(resolve => {
+    NetUtil.asyncFetch(obliviousHttpChannel, function (inputStream) {
       let scriptableInputStream = Cc[
         "@mozilla.org/scriptableinputstream;1"
       ].createInstance(Ci.nsIScriptableInputStream);
@@ -200,7 +200,7 @@ async function run_one_testcase(testcase) {
     ).relayChannel;
     equal(relayChannel.responseStatus, 404);
   }
-  await new Promise((resolve, reject) => {
+  await new Promise(resolve => {
     httpServer.stop(resolve);
   });
 }
diff --git a/netwerk/test/unit/test_origin.js b/netwerk/test/unit/test_origin.js
index 9ef86e8885..d97a6cc0ef 100644
--- a/netwerk/test/unit/test_origin.js
+++ b/netwerk/test/unit/test_origin.js
@@ -94,7 +94,7 @@ FailListener.prototype = {
   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
     read_stream(stream, cnt);
   },
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     Assert.ok(!Components.isSuccessCode(request.status));
     nextTest();
     do_test_finished();
@@ -293,7 +293,7 @@ Http2PushApiListener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR(request) {
     dump("push api onstop " + request.originalURI.spec + "\n");
     Assert.ok(this.fooOK);
     Assert.ok(this.alt1OK);
diff --git a/netwerk/test/unit/test_original_sent_received_head.js b/netwerk/test/unit/test_original_sent_received_head.js
index 744528b832..fa06234386 100644
--- a/netwerk/test/unit/test_original_sent_received_head.js
+++ b/netwerk/test/unit/test_original_sent_received_head.js
@@ -122,7 +122,7 @@ function serverHandler(metadata, response) {
   }
 }
 
-function checkResponse(request, data, context) {
+function checkResponse(request) {
   if (dbg) {
     print("============== checkResponse: in");
   }
@@ -184,7 +184,7 @@ function checkResponse(request, data, context) {
   var linkHeaderFound2 = false;
   var locationHeaderFound2 = 0;
   request.visitResponseHeaders({
-    visitHeader: function visit(aName, aValue) {
+    visitHeader: function visit(aName) {
       if (aName == "Link") {
         linkHeaderFound2 = true;
       }
diff --git a/netwerk/test/unit/test_pac_reload_after_network_change.js b/netwerk/test/unit/test_pac_reload_after_network_change.js
index 1b236473ab..dcd082d373 100644
--- a/netwerk/test/unit/test_pac_reload_after_network_change.js
+++ b/netwerk/test/unit/test_pac_reload_after_network_change.js
@@ -36,7 +36,7 @@ registerCleanupFunction(async () => {
 });
 
 async function getProxyInfo() {
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     let uri = Services.io.newURI("http://www.mozilla.org/");
     gProxyService.asyncResolve(uri, 0, {
       onProxyAvailable(_req, _uri, pi, _status) {
diff --git a/netwerk/test/unit/test_partial_response_entry_size_smart_shrink.js b/netwerk/test/unit/test_partial_response_entry_size_smart_shrink.js
index 0dd5482708..c2a16cc8eb 100644
--- a/netwerk/test/unit/test_partial_response_entry_size_smart_shrink.js
+++ b/netwerk/test/unit/test_partial_response_entry_size_smart_shrink.js
@@ -19,7 +19,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -84,7 +84,7 @@ function run_test() {
   do_test_pending();
 }
 
-function firstTimeThrough(request, buffer) {
+function firstTimeThrough() {
   // Change single cache entry limit to 1 kb.  This emulates smart size change.
   Services.prefs.setIntPref("browser.cache.disk.max_entry_size", 1);
 
diff --git a/netwerk/test/unit/test_plaintext_sniff.js b/netwerk/test/unit/test_plaintext_sniff.js
index 896e458165..5983e4599a 100644
--- a/netwerk/test/unit/test_plaintext_sniff.js
+++ b/netwerk/test/unit/test_plaintext_sniff.js
@@ -137,7 +137,7 @@ function makeListener(headerIdx, bodyIdx) {
       do_throw("Should not get any data!");
     },
 
-    onStopRequest: function test_onStopR(request, status) {
+    onStopRequest: function test_onStopR() {
       // Advance to next test
       ++headerIdx;
       if (headerIdx == contentTypeHeaderList.length) {
diff --git a/netwerk/test/unit/test_port_remapping.js b/netwerk/test/unit/test_port_remapping.js
index 274a1117ec..7a333a7af7 100644
--- a/netwerk/test/unit/test_port_remapping.js
+++ b/netwerk/test/unit/test_port_remapping.js
@@ -7,7 +7,7 @@ const { HttpServer } = ChromeUtils.importESModule(
   "resource://testing-common/httpd.sys.mjs"
 );
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_post.js b/netwerk/test/unit/test_post.js
index f57a149920..dbbe96825f 100644
--- a/netwerk/test/unit/test_post.js
+++ b/netwerk/test/unit/test_post.js
@@ -56,7 +56,7 @@ var listenerCallback = {
     }
   },
 
-  onStatus(request, status, statusArg) {},
+  onStatus() {},
 };
 
 function run_test() {
@@ -114,7 +114,7 @@ function setupChannel(path) {
   }).QueryInterface(Ci.nsIHttpChannel);
 }
 
-function serverHandler(metadata, response) {
+function serverHandler(metadata) {
   Assert.equal(metadata.method, "POST");
 
   var data = read_stream(
@@ -135,7 +135,7 @@ function serverHandler(metadata, response) {
   );
 }
 
-function checkRequest(request, data, context) {
+function checkRequest() {
   Assert.ok(correctOnProgress);
   httpserver.stop(do_test_finished);
 }
diff --git a/netwerk/test/unit/test_predictor.js b/netwerk/test/unit/test_predictor.js
index dce86ce5e0..021a0a6cac 100644
--- a/netwerk/test/unit/test_predictor.js
+++ b/netwerk/test/unit/test_predictor.js
@@ -38,11 +38,11 @@ ValidityChecker.prototype = {
 
   QueryInterface: ChromeUtils.generateQI(["nsICacheEntryOpenCallback"]),
 
-  onCacheEntryCheck(entry) {
+  onCacheEntryCheck() {
     return Ci.nsICacheEntryOpenCallback.ENTRY_WANTED;
   },
 
-  onCacheEntryAvailable(entry, isnew, status) {
+  onCacheEntryAvailable(entry) {
     // Check if forced valid
     Assert.equal(entry.isForcedValid, this.httpStatus === 200);
     this.verifier.maybe_run_next_test();
@@ -155,7 +155,7 @@ var prepListener = {
     this.continueCallback = cb;
   },
 
-  onCacheEntryCheck(entry) {
+  onCacheEntryCheck() {
     return Ci.nsICacheEntryOpenCallback.ENTRY_WANTED;
   },
 
@@ -555,7 +555,7 @@ var prefetchListener = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest(request, status) {
+  onStopRequest() {
     run_next_test();
   },
 };
@@ -736,17 +736,7 @@ function test_visitor_doom() {
       let entryCount = 0;
       let visitor = {
         onCacheStorageInfo() {},
-        async onCacheEntryInfo(
-          aURI,
-          aIdEnhance,
-          aDataSize,
-          aAltDataSize,
-          aFetchCount,
-          aLastModifiedTime,
-          aExpirationTime,
-          aPinned,
-          aInfo
-        ) {
+        async onCacheEntryInfo() {
           entryCount++;
         },
         onCacheEntryVisitCompleted() {
@@ -797,7 +787,7 @@ var observer = {
 
   QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
 
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     if (topic != "predictor-reset-complete") {
       return;
     }
diff --git a/netwerk/test/unit/test_private_necko_channel.js b/netwerk/test/unit/test_private_necko_channel.js
index dc6a73e145..90f4e72629 100644
--- a/netwerk/test/unit/test_private_necko_channel.js
+++ b/netwerk/test/unit/test_private_necko_channel.js
@@ -45,7 +45,7 @@ function serverHandler(metadata, response) {
   response.bodyOutputStream.write(httpbody, httpbody.length);
 }
 
-function checkRequest(request, data, context) {
+function checkRequest() {
   get_device_entry_count("disk", null, function (count) {
     Assert.equal(count, 0);
     get_device_entry_count(
diff --git a/netwerk/test/unit/test_progress.js b/netwerk/test/unit/test_progress.js
index 8363f0e337..552e2549f7 100644
--- a/netwerk/test/unit/test_progress.js
+++ b/netwerk/test/unit/test_progress.js
@@ -139,7 +139,7 @@ function serverHandler(metadata, response) {
   }
 }
 
-function checkRequest(request, data, context) {
+function checkRequest() {
   Assert.equal(last, httpbody.length * LOOPS);
   Assert.equal(max, httpbody.length * LOOPS);
 }
diff --git a/netwerk/test/unit/test_progress_no_proxy_and_proxy.js b/netwerk/test/unit/test_progress_no_proxy_and_proxy.js
index cb132360c8..edaf9b389d 100644
--- a/netwerk/test/unit/test_progress_no_proxy_and_proxy.js
+++ b/netwerk/test/unit/test_progress_no_proxy_and_proxy.js
@@ -117,7 +117,7 @@ function chanPromise(uri, statusArg, version) {
   });
 }
 
-function checkRequest(request, data, context) {
+function checkRequest() {
   Assert.equal(last, RESPONSE_LENGTH);
   Assert.equal(max, RESPONSE_LENGTH);
 }
diff --git a/netwerk/test/unit/test_protocolproxyservice-async-filters.js b/netwerk/test/unit/test_protocolproxyservice-async-filters.js
index fcf43d63ef..e7898dbb59 100644
--- a/netwerk/test/unit/test_protocolproxyservice-async-filters.js
+++ b/netwerk/test/unit/test_protocolproxyservice-async-filters.js
@@ -25,10 +25,10 @@ TestProtocolHandler.prototype = {
     Ci.nsIProtocolHandler.URI_NORELATIVE |
     Ci.nsIProtocolHandler.ALLOWS_PROXY |
     Ci.nsIProtocolHandler.URI_DANGEROUS_TO_LOAD,
-  newChannel(uri, aLoadInfo) {
+  newChannel() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
-  allowPort(port, scheme) {
+  allowPort() {
     return true;
   },
 };
@@ -128,7 +128,7 @@ resolveCallback.prototype = {
 
   QueryInterface: ChromeUtils.generateQI(["nsIProtocolProxyCallback"]),
 
-  onProxyAvailable(req, channel, pi, status) {
+  onProxyAvailable(req, channel, pi) {
     this.nextFunction(pi);
   },
 };
diff --git a/netwerk/test/unit/test_protocolproxyservice.js b/netwerk/test/unit/test_protocolproxyservice.js
index 64472651f6..74493db08c 100644
--- a/netwerk/test/unit/test_protocolproxyservice.js
+++ b/netwerk/test/unit/test_protocolproxyservice.js
@@ -39,10 +39,10 @@ TestProtocolHandler.prototype = {
     Ci.nsIProtocolHandler.URI_NORELATIVE |
     Ci.nsIProtocolHandler.ALLOWS_PROXY |
     Ci.nsIProtocolHandler.URI_DANGEROUS_TO_LOAD,
-  newChannel(uri, aLoadInfo) {
+  newChannel() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
-  allowPort(port, scheme) {
+  allowPort() {
     return true;
   },
 };
@@ -160,7 +160,7 @@ resolveCallback.prototype = {
 
   QueryInterface: ChromeUtils.generateQI(["nsIProtocolProxyCallback"]),
 
-  onProxyAvailable(req, channel, pi, status) {
+  onProxyAvailable(req, channel, pi) {
     this.nextFunction(pi);
   },
 };
@@ -943,10 +943,10 @@ function failed_script_callback(pi) {
 var directFilterListener = {
   onModifyRequestCalled: false,
 
-  onStartRequest: function test_onStart(request) {},
+  onStartRequest: function test_onStart() {},
   onDataAvailable: function test_OnData() {},
 
-  onStopRequest: function test_onStop(request, status) {
+  onStopRequest: function test_onStop(request) {
     // check on the PI from the channel itself
     request.QueryInterface(Ci.nsIProxiedChannel);
     check_proxy(request.proxyInfo, "http", "127.0.0.1", 7246, 0, 0, false);
@@ -961,7 +961,7 @@ var directFilterListener = {
     run_isresolvable_test();
   },
 
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     if (
       topic === "http-on-modify-request" &&
       subject instanceof Ci.nsIHttpChannel &&
diff --git a/netwerk/test/unit/test_proxy-failover_canceled.js b/netwerk/test/unit/test_proxy-failover_canceled.js
index e594c497cc..a40a0c3316 100644
--- a/netwerk/test/unit/test_proxy-failover_canceled.js
+++ b/netwerk/test/unit/test_proxy-failover_canceled.js
@@ -6,7 +6,7 @@ const { HttpServer } = ChromeUtils.importESModule(
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({
     uri: url,
     loadUsingSystemPrincipal: true,
diff --git a/netwerk/test/unit/test_proxy-failover_passing.js b/netwerk/test/unit/test_proxy-failover_passing.js
index a6fab56690..dc0cba58b1 100644
--- a/netwerk/test/unit/test_proxy-failover_passing.js
+++ b/netwerk/test/unit/test_proxy-failover_passing.js
@@ -6,7 +6,7 @@ const { HttpServer } = ChromeUtils.importESModule(
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_proxy-replace_canceled.js b/netwerk/test/unit/test_proxy-replace_canceled.js
index b39d5e97f6..c2efa50c5b 100644
--- a/netwerk/test/unit/test_proxy-replace_canceled.js
+++ b/netwerk/test/unit/test_proxy-replace_canceled.js
@@ -6,7 +6,7 @@ const { HttpServer } = ChromeUtils.importESModule(
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({
     uri: url,
     loadUsingSystemPrincipal: true,
diff --git a/netwerk/test/unit/test_proxy-replace_passing.js b/netwerk/test/unit/test_proxy-replace_passing.js
index 9c843c001e..b04a52c51d 100644
--- a/netwerk/test/unit/test_proxy-replace_passing.js
+++ b/netwerk/test/unit/test_proxy-replace_passing.js
@@ -6,7 +6,7 @@ const { HttpServer } = ChromeUtils.importESModule(
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_proxy-slow-upload.js b/netwerk/test/unit/test_proxy-slow-upload.js
index 1a406890e1..bef006e1e0 100644
--- a/netwerk/test/unit/test_proxy-slow-upload.js
+++ b/netwerk/test/unit/test_proxy-slow-upload.js
@@ -91,7 +91,7 @@ add_task(async function test_slow_upload() {
         });
         equal(req.status, Cr.NS_OK);
         equal(req.QueryInterface(Ci.nsIHttpChannel).responseStatus, 200);
-        ok(buff == CONTENT, "Content must match");
+        Assert.equal(buff, CONTENT, "Content must match");
         ok(!!req.QueryInterface(Ci.nsIProxiedChannel).proxyInfo);
         greater(
           await server.execute(`global.data_count`),
diff --git a/netwerk/test/unit/test_proxy_cancel.js b/netwerk/test/unit/test_proxy_cancel.js
index d891f3147c..6374a162c9 100644
--- a/netwerk/test/unit/test_proxy_cancel.js
+++ b/netwerk/test/unit/test_proxy_cancel.js
@@ -19,6 +19,14 @@ function makeChan(uri) {
   return chan;
 }
 
+add_setup(async function setup() {
+  // See Bug 1878505
+  Services.prefs.setIntPref("network.http.speculative-parallel-limit", 0);
+  registerCleanupFunction(async () => {
+    Services.prefs.clearUserPref("network.http.speculative-parallel-limit");
+  });
+});
+
 add_task(async function test_cancel_after_asyncOpen() {
   let certdb = Cc["@mozilla.org/security/x509certdb;1"].getService(
     Ci.nsIX509CertDB
@@ -123,8 +131,8 @@ add_task(async function test_cancel_after_connect_http2proxy() {
           return this.QueryInterface(iid);
         },
 
-        onProgress(request, progress, progressMax) {},
-        onStatus(request, status, statusArg) {
+        onProgress() {},
+        onStatus(request, status) {
           info(`status = ${status}`);
           // XXX(valentin): Is this the best status to be cancelling?
           if (status == NS_NET_STATUS_WAITING_FOR) {
@@ -347,7 +355,7 @@ add_task(async function test_cancel_during_response() {
             // Check that we never get more than 1000 bytes.
             Assert.equal(progress, 1000);
           },
-          onStatus(request, status, statusArg) {
+          onStatus(request, status) {
             if (status == NS_NET_STATUS_RECEIVING_FROM) {
               info("cancelling when receiving request");
               chan.cancel(Cr.NS_ERROR_ABORT);
diff --git a/netwerk/test/unit/test_proxyconnect.js b/netwerk/test/unit/test_proxyconnect.js
index 7015b3bffb..7de1fb39d4 100644
--- a/netwerk/test/unit/test_proxyconnect.js
+++ b/netwerk/test/unit/test_proxyconnect.js
@@ -72,7 +72,7 @@ var proxiedChannel;
 var listener = {
   expectedCode: -1, // uninitialized
 
-  onStartRequest: function test_onStartR(request) {},
+  onStartRequest: function test_onStartR() {},
 
   onDataAvailable: function test_ODA() {
     do_throw("Should not get any data!");
diff --git a/netwerk/test/unit/test_range_requests.js b/netwerk/test/unit/test_range_requests.js
index cb7a1e7a72..dd2483407c 100644
--- a/netwerk/test/unit/test_range_requests.js
+++ b/netwerk/test/unit/test_range_requests.js
@@ -38,7 +38,7 @@ const encodedBody = [
 const partial_data_length = 4;
 var port = null; // set in run_test
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({
     uri: url,
     loadUsingSystemPrincipal: true,
@@ -54,7 +54,7 @@ Canceler.prototype = {
     "nsIStreamListener",
     "nsIRequestObserver",
   ]),
-  onStartRequest(request) {},
+  onStartRequest() {},
 
   onDataAvailable(request, stream, offset, count) {
     // Read stream so we don't assert for not reading from the stream
@@ -78,14 +78,14 @@ MyListener.prototype = {
     "nsIStreamListener",
     "nsIRequestObserver",
   ]),
-  onStartRequest(request) {
+  onStartRequest() {
     this._buffer = "";
   },
 
   onDataAvailable(request, stream, offset, count) {
     this._buffer = this._buffer.concat(read_stream(stream, count));
   },
-  onStopRequest(request, status) {
+  onStopRequest(request) {
     this.continueFn(request, this._buffer);
   },
 };
@@ -99,7 +99,7 @@ FailedChannelListener.prototype = {
     "nsIStreamListener",
     "nsIRequestObserver",
   ]),
-  onStartRequest(request) {},
+  onStartRequest() {},
 
   onDataAvailable(request, stream, offset, count) {
     read_stream(stream, count);
@@ -192,7 +192,7 @@ function handler_4(metadata, response) {
   }
   case_4_request_no++;
 }
-function received_partial_4(request, data) {
+function received_partial_4() {
   // checking length does not work with encoded data
   //  do_check_eq(partial_data_length, data.length);
   var chan = make_channel("http://localhost:" + port + "/test_4");
diff --git a/netwerk/test/unit/test_rcwn_interrupted.js b/netwerk/test/unit/test_rcwn_interrupted.js
index 5f3d059999..3c640df5f7 100644
--- a/netwerk/test/unit/test_rcwn_interrupted.js
+++ b/netwerk/test/unit/test_rcwn_interrupted.js
@@ -29,7 +29,7 @@ ChromeUtils.defineLazyGetter(this, "URL", function () {
 
 var httpServer = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_redirect-caching_canceled.js b/netwerk/test/unit/test_redirect-caching_canceled.js
index 0ecf2f74b7..847e054d07 100644
--- a/netwerk/test/unit/test_redirect-caching_canceled.js
+++ b/netwerk/test/unit/test_redirect-caching_canceled.js
@@ -16,7 +16,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI", function () {
   return URL + randomPath;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_redirect-caching_failure.js b/netwerk/test/unit/test_redirect-caching_failure.js
index 2f8105dd94..343d3bfe13 100644
--- a/netwerk/test/unit/test_redirect-caching_failure.js
+++ b/netwerk/test/unit/test_redirect-caching_failure.js
@@ -28,7 +28,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI", function () {
   return URL + randomPath;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_redirect-caching_passing.js b/netwerk/test/unit/test_redirect-caching_passing.js
index 0e6616f493..17fbb62744 100644
--- a/netwerk/test/unit/test_redirect-caching_passing.js
+++ b/netwerk/test/unit/test_redirect-caching_passing.js
@@ -16,7 +16,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI", function () {
   return URL + randomPath;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_redirect_baduri.js b/netwerk/test/unit/test_redirect_baduri.js
index f83c9a264f..3806d02e9a 100644
--- a/netwerk/test/unit/test_redirect_baduri.js
+++ b/netwerk/test/unit/test_redirect_baduri.js
@@ -17,7 +17,7 @@ ChromeUtils.defineLazyGetter(this, "BadRedirectURI", function () {
   );
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -27,7 +27,7 @@ function BadRedirectHandler(metadata, response) {
   response.setHeader("Location", "http://localhost:4444>BadRedirect", false);
 }
 
-function checkFailed(request, buffer) {
+function checkFailed(request) {
   Assert.equal(request.status, Cr.NS_ERROR_CORRUPTED_CONTENT);
 
   httpServer.stop(do_test_finished);
diff --git a/netwerk/test/unit/test_redirect_canceled.js b/netwerk/test/unit/test_redirect_canceled.js
index 9eb9d8b33a..8ada84efe4 100644
--- a/netwerk/test/unit/test_redirect_canceled.js
+++ b/netwerk/test/unit/test_redirect_canceled.js
@@ -16,7 +16,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI", function () {
   return URL + randomPath;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_redirect_different-protocol.js b/netwerk/test/unit/test_redirect_different-protocol.js
index 78b305c84e..16c89eede7 100644
--- a/netwerk/test/unit/test_redirect_different-protocol.js
+++ b/netwerk/test/unit/test_redirect_different-protocol.js
@@ -16,7 +16,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI", function () {
   return URL + randomPath;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_redirect_failure.js b/netwerk/test/unit/test_redirect_failure.js
index 28b4668580..b361c66d00 100644
--- a/netwerk/test/unit/test_redirect_failure.js
+++ b/netwerk/test/unit/test_redirect_failure.js
@@ -27,7 +27,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI", function () {
   return URL + randomPath;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_redirect_from_script.js b/netwerk/test/unit/test_redirect_from_script.js
index 0c42d66b64..6ca2e4ff65 100644
--- a/netwerk/test/unit/test_redirect_from_script.js
+++ b/netwerk/test/unit/test_redirect_from_script.js
@@ -86,7 +86,7 @@ var testHeaderName = "X-Redirected-By-Script";
 var testHeaderVal = "Success";
 var testHeaderVal2 = "Success on server 2";
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -130,7 +130,7 @@ Redirector.prototype = {
     "nsISupportsWeakReference",
   ]),
 
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     if (topic == redirectHook) {
       if (!(subject instanceof Ci.nsIHttpChannel)) {
         do_throw(redirectHook + " observed a non-HTTP channel");
diff --git a/netwerk/test/unit/test_redirect_from_script_after-open_passing.js b/netwerk/test/unit/test_redirect_from_script_after-open_passing.js
index 315f888f64..49fe4e9ec7 100644
--- a/netwerk/test/unit/test_redirect_from_script_after-open_passing.js
+++ b/netwerk/test/unit/test_redirect_from_script_after-open_passing.js
@@ -86,7 +86,7 @@ var testHeaderName = "X-Redirected-By-Script";
 var testHeaderVal = "Success";
 var testHeaderVal2 = "Success on server 2";
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -130,7 +130,7 @@ Redirector.prototype = {
     "nsISupportsWeakReference",
   ]),
 
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     if (topic == redirectHook) {
       if (!(subject instanceof Ci.nsIHttpChannel)) {
         do_throw(redirectHook + " observed a non-HTTP channel");
diff --git a/netwerk/test/unit/test_redirect_history.js b/netwerk/test/unit/test_redirect_history.js
index 124f976881..bb1a00260f 100644
--- a/netwerk/test/unit/test_redirect_history.js
+++ b/netwerk/test/unit/test_redirect_history.js
@@ -17,7 +17,7 @@ var httpServer = null;
 var redirects = [];
 const numRedirects = 10;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_redirect_loop.js b/netwerk/test/unit/test_redirect_loop.js
index f25bee18c5..f599f2014e 100644
--- a/netwerk/test/unit/test_redirect_loop.js
+++ b/netwerk/test/unit/test_redirect_loop.js
@@ -25,7 +25,7 @@ var relativeLoopURI = "http://localhost:" + PORT + relativeLoopPath;
 var emptyLoopPath = "/empty/";
 var emptyLoopURI = "http://localhost:" + PORT + emptyLoopPath;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -55,7 +55,7 @@ function emptyLoopHandler(metadata, response) {
   response.finish();
 }
 
-function testFullLoop(request, buffer) {
+function testFullLoop(request) {
   Assert.equal(request.status, Cr.NS_ERROR_REDIRECT_LOOP);
 
   var chan = make_channel(relativeLoopURI);
@@ -64,14 +64,14 @@ function testFullLoop(request, buffer) {
   );
 }
 
-function testRelativeLoop(request, buffer) {
+function testRelativeLoop(request) {
   Assert.equal(request.status, Cr.NS_ERROR_REDIRECT_LOOP);
 
   var chan = make_channel(emptyLoopURI);
   chan.asyncOpen(new ChannelListener(testEmptyLoop, null, CL_EXPECT_FAILURE));
 }
 
-function testEmptyLoop(request, buffer) {
+function testEmptyLoop(request) {
   Assert.equal(request.status, Cr.NS_ERROR_REDIRECT_LOOP);
 
   httpServer.stop(do_test_finished);
diff --git a/netwerk/test/unit/test_redirect_passing.js b/netwerk/test/unit/test_redirect_passing.js
index b712e4d819..bbd3aa54e7 100644
--- a/netwerk/test/unit/test_redirect_passing.js
+++ b/netwerk/test/unit/test_redirect_passing.js
@@ -16,7 +16,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI", function () {
   return URL + randomPath;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_redirect_protocol_telemetry.js b/netwerk/test/unit/test_redirect_protocol_telemetry.js
index 526ba440ec..022e166fc1 100644
--- a/netwerk/test/unit/test_redirect_protocol_telemetry.js
+++ b/netwerk/test/unit/test_redirect_protocol_telemetry.js
@@ -4,7 +4,7 @@ const { HttpServer } = ChromeUtils.importESModule(
   "resource://testing-common/httpd.sys.mjs"
 );
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -51,7 +51,7 @@ add_task(async function check_protocols() {
       let p = new Promise(resolve1 =>
         channel.asyncOpen(new ChannelListener(resolve1))
       );
-      p.then((request, buffer) => {
+      p.then(() => {
         TelemetryTestUtils.assertKeyedHistogramSum(redirect_hist, protocol, 1);
         resolve();
       });
diff --git a/netwerk/test/unit/test_redirect_veto.js b/netwerk/test/unit/test_redirect_veto.js
index bcc9ddb625..d73635ca90 100644
--- a/netwerk/test/unit/test_redirect_veto.js
+++ b/netwerk/test/unit/test_redirect_veto.js
@@ -16,7 +16,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI", function () {
   return URL + randomPath;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit/test_reentrancy.js b/netwerk/test/unit/test_reentrancy.js
index 3bd7f54f79..0259ced338 100644
--- a/netwerk/test/unit/test_reentrancy.js
+++ b/netwerk/test/unit/test_reentrancy.js
@@ -64,7 +64,7 @@ var listener = {
     this._done_onData = true;
   },
 
-  onStopRequest(request, status) {
+  onStopRequest() {
     Assert.ok(this._done_onData);
     this._reset();
     if (this._test <= MAX_TESTS) {
diff --git a/netwerk/test/unit/test_reopen.js b/netwerk/test/unit/test_reopen.js
index 6bae0e71cf..271a7f3e9a 100644
--- a/netwerk/test/unit/test_reopen.js
+++ b/netwerk/test/unit/test_reopen.js
@@ -67,7 +67,7 @@ function check_async_open_throws(error) {
 }
 
 var listener = {
-  onStartRequest: function test_onStartR(request) {
+  onStartRequest: function test_onStartR() {
     check_async_open_throws(NS_ERROR_IN_PROGRESS);
   },
 
@@ -76,7 +76,7 @@ var listener = {
     check_async_open_throws(NS_ERROR_IN_PROGRESS);
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR() {
     // Once onStopRequest is reached, the channel is marked as having been
     // opened
     check_async_open_throws(NS_ERROR_ALREADY_OPENED);
diff --git a/netwerk/test/unit/test_reply_without_content_type.js b/netwerk/test/unit/test_reply_without_content_type.js
index f32ad81d84..439ffb64ac 100644
--- a/netwerk/test/unit/test_reply_without_content_type.js
+++ b/netwerk/test/unit/test_reply_without_content_type.js
@@ -137,7 +137,7 @@ function serverHandler_GZip(metadata, response) {
   }
 }
 
-function checkRequest(request, data, context) {
+function checkRequest(request, data) {
   if (dbg) {
     print("============== checkRequest: in");
   }
diff --git a/netwerk/test/unit/test_resumable_channel.js b/netwerk/test/unit/test_resumable_channel.js
index 0407aa4983..8c7aca9e0a 100644
--- a/netwerk/test/unit/test_resumable_channel.js
+++ b/netwerk/test/unit/test_resumable_channel.js
@@ -16,7 +16,7 @@ const NS_ERROR_NOT_RESUMABLE = 0x804b0019;
 
 const rangeBody = "Body of the range request handler.\r\n";
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -34,7 +34,7 @@ AuthPrompt2.prototype = {
     return true;
   },
 
-  asyncPromptAuth: function ap2_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function ap2_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
@@ -69,7 +69,7 @@ function run_test() {
 
   var entityID;
 
-  function get_entity_id(request, data, ctx) {
+  function get_entity_id(request) {
     dump("*** get_entity_id()\n");
     Assert.ok(
       request instanceof Ci.nsIResumableChannel,
@@ -84,7 +84,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(try_resume, null, CL_EXPECT_FAILURE));
   }
 
-  function try_resume(request, data, ctx) {
+  function try_resume(request) {
     dump("*** try_resume()\n");
     Assert.equal(request.status, NS_ERROR_NOT_RESUMABLE);
 
@@ -94,7 +94,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(try_resume_zero, null));
   }
 
-  function try_resume_zero(request, data, ctx) {
+  function try_resume_zero(request, data) {
     dump("*** try_resume_zero()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(data, rangeBody.substring(1));
@@ -106,7 +106,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(try_no_range, null, CL_EXPECT_FAILURE));
   }
 
-  function try_no_range(request, data, ctx) {
+  function try_no_range(request) {
     dump("*** try_no_range()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(request.status, NS_ERROR_NOT_RESUMABLE);
@@ -118,7 +118,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(try_bytes_range, null));
   }
 
-  function try_bytes_range(request, data, ctx) {
+  function try_bytes_range(request, data) {
     dump("*** try_bytes_range()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(data, rangeBody);
@@ -132,7 +132,7 @@ function run_test() {
     );
   }
 
-  function try_foo_bar_range(request, data, ctx) {
+  function try_foo_bar_range(request) {
     dump("*** try_foo_bar_range()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(request.status, NS_ERROR_NOT_RESUMABLE);
@@ -146,7 +146,7 @@ function run_test() {
     );
   }
 
-  function try_foobar_range(request, data, ctx) {
+  function try_foobar_range(request) {
     dump("*** try_foobar_range()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(request.status, NS_ERROR_NOT_RESUMABLE);
@@ -162,7 +162,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(try_bytes_foobar_range, null));
   }
 
-  function try_bytes_foobar_range(request, data, ctx) {
+  function try_bytes_foobar_range(request, data) {
     dump("*** try_bytes_foobar_range()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(data, rangeBody);
@@ -180,7 +180,7 @@ function run_test() {
     );
   }
 
-  function try_bytesfoo_bar_range(request, data, ctx) {
+  function try_bytesfoo_bar_range(request) {
     dump("*** try_bytesfoo_bar_range()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(request.status, NS_ERROR_NOT_RESUMABLE);
@@ -191,7 +191,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(try_no_accept_ranges, null));
   }
 
-  function try_no_accept_ranges(request, data, ctx) {
+  function try_no_accept_ranges(request, data) {
     dump("*** try_no_accept_ranges()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(data, rangeBody);
@@ -208,7 +208,7 @@ function run_test() {
     );
   }
 
-  function try_suspend_resume(request, data, ctx) {
+  function try_suspend_resume(request, data) {
     dump("*** try_suspend_resume()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(data, rangeBody);
@@ -219,7 +219,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(success, null));
   }
 
-  function success(request, data, ctx) {
+  function success(request, data) {
     dump("*** success()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(data, rangeBody);
@@ -234,7 +234,7 @@ function run_test() {
     );
   }
 
-  function test_auth_nopw(request, data, ctx) {
+  function test_auth_nopw(request) {
     dump("*** test_auth_nopw()\n");
     Assert.ok(!request.nsIHttpChannel.requestSucceeded);
     Assert.equal(request.status, NS_ERROR_ENTITY_CHANGED);
@@ -249,7 +249,7 @@ function run_test() {
     chan.notificationCallbacks = new Requestor();
     chan.asyncOpen(new ChannelListener(test_auth, null, CL_EXPECT_FAILURE));
   }
-  function test_auth(request, data, ctx) {
+  function test_auth(request) {
     dump("*** test_auth()\n");
     Assert.equal(request.status, NS_ERROR_NOT_RESUMABLE);
     Assert.ok(request.nsIHttpChannel.responseStatus < 300);
@@ -266,7 +266,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(test_auth_resume, null));
   }
 
-  function test_auth_resume(request, data, ctx) {
+  function test_auth_resume(request, data) {
     dump("*** test_auth_resume()\n");
     Assert.equal(data, rangeBody.substring(1));
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
@@ -278,7 +278,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(test_404, null, CL_EXPECT_FAILURE));
   }
 
-  function test_404(request, data, ctx) {
+  function test_404(request) {
     dump("*** test_404()\n");
     Assert.equal(request.status, NS_ERROR_ENTITY_CHANGED);
     Assert.equal(request.nsIHttpChannel.responseStatus, 404);
@@ -289,7 +289,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(test_416, null, CL_EXPECT_FAILURE));
   }
 
-  function test_416(request, data, ctx) {
+  function test_416(request) {
     dump("*** test_416()\n");
     Assert.equal(request.status, NS_ERROR_ENTITY_CHANGED);
     Assert.equal(request.nsIHttpChannel.responseStatus, 416);
@@ -301,7 +301,7 @@ function run_test() {
     chan.asyncOpen(new ChannelListener(test_redir_resume, null));
   }
 
-  function test_redir_resume(request, data, ctx) {
+  function test_redir_resume(request, data) {
     dump("*** test_redir_resume()\n");
     Assert.ok(request.nsIHttpChannel.requestSucceeded);
     Assert.equal(data, rangeBody.substring(1));
@@ -316,7 +316,7 @@ function run_test() {
     );
   }
 
-  function test_redir_noresume(request, data, ctx) {
+  function test_redir_noresume(request) {
     dump("*** test_redir_noresume()\n");
     Assert.equal(request.status, NS_ERROR_NOT_RESUMABLE);
 
diff --git a/netwerk/test/unit/test_resumable_truncate.js b/netwerk/test/unit/test_resumable_truncate.js
index cdcab591c2..c0da631e08 100644
--- a/netwerk/test/unit/test_resumable_truncate.js
+++ b/netwerk/test/unit/test_resumable_truncate.js
@@ -6,7 +6,7 @@ const { HttpServer } = ChromeUtils.importESModule(
 
 var httpserver = null;
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
@@ -52,9 +52,9 @@ Canceler.prototype = {
     "nsIRequestObserver",
   ]),
 
-  onStartRequest(request) {},
+  onStartRequest() {},
 
-  onDataAvailable(request, stream, offset, count) {
+  onDataAvailable(request) {
     request.QueryInterface(Ci.nsIChannel).cancel(Cr.NS_BINDING_ABORTED);
   },
 
diff --git a/netwerk/test/unit/test_retry_0rtt.js b/netwerk/test/unit/test_retry_0rtt.js
index e1770ab8a1..661d7d2ab4 100644
--- a/netwerk/test/unit/test_retry_0rtt.js
+++ b/netwerk/test/unit/test_retry_0rtt.js
@@ -11,7 +11,7 @@ var httpServer = null;
 
 let handlerCallbacks = {};
 
-function listenHandler(metadata, response) {
+function listenHandler(metadata) {
   info(metadata.path);
   handlerCallbacks[metadata.path] = (handlerCallbacks[metadata.path] || 0) + 1;
 }
@@ -48,6 +48,12 @@ add_setup(
     );
     let nssComponent = Cc["@mozilla.org/psm;1"].getService(Ci.nsINSSComponent);
     await nssComponent.asyncClearSSLExternalAndInternalSessionCache();
+
+    // See Bug 1878505
+    Services.prefs.setIntPref("network.http.speculative-parallel-limit", 0);
+    registerCleanupFunction(async () => {
+      Services.prefs.clearUserPref("network.http.speculative-parallel-limit");
+    });
   }
 );
 
@@ -83,7 +89,7 @@ add_task(
     var retryDomains = [
       "0rtt-alert-bad-mac.example.com",
       "0rtt-alert-protocol-version.example.com",
-      //"0rtt-alert-unexpected.example.com", // TODO(bug 1753204): uncomment this
+      "0rtt-alert-unexpected.example.com",
     ];
 
     Services.prefs.setCharPref("network.dns.localDomains", retryDomains);
diff --git a/netwerk/test/unit/test_simple.js b/netwerk/test/unit/test_simple.js
index 52c068f517..98f1d3ee3e 100644
--- a/netwerk/test/unit/test_simple.js
+++ b/netwerk/test/unit/test_simple.js
@@ -58,7 +58,7 @@ function serverHandler(metadata, response) {
   }
 }
 
-function checkRequest(request, data, context) {
+function checkRequest(request, data) {
   if (dbg) {
     print("============== checkRequest: in");
   }
diff --git a/netwerk/test/unit/test_socks.js b/netwerk/test/unit/test_socks.js
index 6ce9f4895e..7588857f78 100644
--- a/netwerk/test/unit/test_socks.js
+++ b/netwerk/test/unit/test_socks.js
@@ -461,7 +461,7 @@ SocksTestServer.prototype = {
     this.client_connections.push(client);
   },
 
-  onStopListening(socket) {},
+  onStopListening() {},
 
   close() {
     if (this.client_subprocess) {
diff --git a/netwerk/test/unit/test_speculative_connect.js b/netwerk/test/unit/test_speculative_connect.js
index f99ace0d71..776273b8f2 100644
--- a/netwerk/test/unit/test_speculative_connect.js
+++ b/netwerk/test/unit/test_speculative_connect.js
@@ -81,7 +81,7 @@ function TestServer() {
 
 TestServer.prototype = {
   QueryInterface: ChromeUtils.generateQI(["nsIServerSocket"]),
-  onSocketAccepted(socket, trans) {
+  onSocketAccepted() {
     try {
       this.listener.close();
     } catch (e) {}
@@ -89,7 +89,7 @@ TestServer.prototype = {
     next_test();
   },
 
-  onStopListening(socket) {},
+  onStopListening() {},
 };
 
 /** TestFailedStreamCallback
diff --git a/netwerk/test/unit/test_stale-while-revalidate_loop.js b/netwerk/test/unit/test_stale-while-revalidate_loop.js
index dc28815119..5b6d47fd5b 100644
--- a/netwerk/test/unit/test_stale-while-revalidate_loop.js
+++ b/netwerk/test/unit/test_stale-while-revalidate_loop.js
@@ -16,10 +16,10 @@ function make_channel(url) {
   }).QueryInterface(Ci.nsIHttpChannel);
 }
 
-async function get_response(channel, fromCache) {
+async function get_response(channel) {
   return new Promise(resolve => {
     channel.asyncOpen(
-      new ChannelListener((request, buffer, ctx, isFromCache) => {
+      new ChannelListener((request, buffer) => {
         resolve(buffer);
       })
     );
@@ -37,7 +37,7 @@ add_task(async function () {
   addCertFromFile(certdb, "http2-ca.pem", "CTu,u,u");
 
   let response = await get_response(make_channel(URI), false);
-  ok(response == "1", "got response ver 1");
+  Assert.equal(response, "1", "got response ver 1");
   response = await get_response(make_channel(URI), false);
-  ok(response == "1", "got response ver 1");
+  Assert.equal(response, "1", "got response ver 1");
 });
diff --git a/netwerk/test/unit/test_stale-while-revalidate_max-age-0.js b/netwerk/test/unit/test_stale-while-revalidate_max-age-0.js
index 01bb6639bc..c2b7809f07 100644
--- a/netwerk/test/unit/test_stale-while-revalidate_max-age-0.js
+++ b/netwerk/test/unit/test_stale-while-revalidate_max-age-0.js
@@ -54,7 +54,11 @@ async function get_response(channel, fromCache) {
   return new Promise(resolve => {
     channel.asyncOpen(
       new ChannelListener((request, buffer, ctx, isFromCache) => {
-        ok(fromCache == isFromCache, `got response from cache = ${fromCache}`);
+        Assert.equal(
+          fromCache,
+          isFromCache,
+          `got response from cache = ${fromCache}`
+        );
         resolve(buffer);
       })
     );
@@ -91,7 +95,7 @@ add_task(async function () {
   version = 1;
   max_age = 0;
   response = await get_response(make_channel(URI), false);
-  ok(response == generate_response(1), "got response ver 1");
+  Assert.equal(response, generate_response(1), "got response ver 1");
 
   await sleep(2);
 
@@ -102,12 +106,12 @@ add_task(async function () {
   version = 2;
   max_age = 100;
   response = await get_response(make_channel(URI), true);
-  ok(response == generate_response(1), "got response ver 1");
+  Assert.equal(response, generate_response(1), "got response ver 1");
 
   await reval_done;
 
   response = await get_response(make_channel(URI), true);
-  ok(response == generate_response(2), "got response ver 2");
+  Assert.equal(response, generate_response(2), "got response ver 2");
 
   await stop_server(httpserver);
 });
diff --git a/netwerk/test/unit/test_stale-while-revalidate_negative.js b/netwerk/test/unit/test_stale-while-revalidate_negative.js
index c9ef87e2dd..1715cdbc1a 100644
--- a/netwerk/test/unit/test_stale-while-revalidate_negative.js
+++ b/netwerk/test/unit/test_stale-while-revalidate_negative.js
@@ -49,7 +49,11 @@ async function get_response(channel, fromCache) {
   return new Promise(resolve => {
     channel.asyncOpen(
       new ChannelListener((request, buffer, ctx, isFromCache) => {
-        ok(fromCache == isFromCache, `got response from cache = ${fromCache}`);
+        Assert.equal(
+          fromCache,
+          isFromCache,
+          `got response from cache = ${fromCache}`
+        );
         resolve(buffer);
       })
     );
@@ -80,13 +84,13 @@ add_task(async function () {
   version = 1;
   max_age = 1;
   response = await get_response(make_channel(URI), false);
-  ok(response == generate_response(1), "got response ver 1");
+  Assert.equal(response, generate_response(1), "got response ver 1");
 
   await sleep(max_age + 1 /* stale window */ + 1 /* to expire the window */);
 
   version = 2;
   response = await get_response(make_channel(URI), false);
-  ok(response == generate_response(2), "got response ver 2");
+  Assert.equal(response, generate_response(2), "got response ver 2");
 
   await stop_server(httpserver);
 });
diff --git a/netwerk/test/unit/test_stale-while-revalidate_positive.js b/netwerk/test/unit/test_stale-while-revalidate_positive.js
index 51ce6bdd83..45dc0d305a 100644
--- a/netwerk/test/unit/test_stale-while-revalidate_positive.js
+++ b/netwerk/test/unit/test_stale-while-revalidate_positive.js
@@ -54,7 +54,11 @@ async function get_response(channel, fromCache) {
   return new Promise(resolve => {
     channel.asyncOpen(
       new ChannelListener((request, buffer, ctx, isFromCache) => {
-        ok(fromCache == isFromCache, `got response from cache = ${fromCache}`);
+        Assert.equal(
+          fromCache,
+          isFromCache,
+          `got response from cache = ${fromCache}`
+        );
         resolve(buffer);
       })
     );
@@ -91,7 +95,7 @@ add_task(async function () {
   version = 1;
   max_age = 1;
   response = await get_response(make_channel(URI), false);
-  ok(response == generate_response(1), "got response ver 1");
+  Assert.equal(response, generate_response(1), "got response ver 1");
 
   await sleep(max_age + 1);
 
@@ -102,12 +106,12 @@ add_task(async function () {
   version = 2;
   max_age = 100;
   response = await get_response(make_channel(URI), true);
-  ok(response == generate_response(1), "got response ver 1");
+  Assert.equal(response, generate_response(1), "got response ver 1");
 
   await reval_done;
 
   response = await get_response(make_channel(URI), true);
-  ok(response == generate_response(2), "got response ver 2");
+  Assert.equal(response, generate_response(2), "got response ver 2");
 
   await stop_server(httpserver);
 });
diff --git a/netwerk/test/unit/test_streamcopier.js b/netwerk/test/unit/test_streamcopier.js
index f550923546..536a9d5689 100644
--- a/netwerk/test/unit/test_streamcopier.js
+++ b/netwerk/test/unit/test_streamcopier.js
@@ -36,7 +36,7 @@ function run_test() {
   ctx.wrappedJSObject = ctx;
 
   var observer = {
-    onStartRequest(aRequest) {},
+    onStartRequest() {},
     onStopRequest(aRequest, aStatusCode) {
       Assert.equal(aStatusCode, 0);
       var sis = Cc["@mozilla.org/scriptableinputstream;1"].createInstance(
diff --git a/netwerk/test/unit/test_suspend_channel_before_connect.js b/netwerk/test/unit/test_suspend_channel_before_connect.js
index 79a0c43236..2b0da8ac88 100644
--- a/netwerk/test/unit/test_suspend_channel_before_connect.js
+++ b/netwerk/test/unit/test_suspend_channel_before_connect.js
@@ -20,11 +20,11 @@ function TestServer() {
 }
 
 TestServer.prototype = {
-  onSocketAccepted(socket, trans) {
+  onSocketAccepted() {
     Assert.ok(false, "Socket should not have tried to connect!");
   },
 
-  onStopListening(socket) {},
+  onStopListening() {},
 
   stop() {
     try {
@@ -36,7 +36,7 @@ TestServer.prototype = {
 var requestListenerObserver = {
   QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
 
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     if (
       topic === "http-on-modify-request" &&
       subject instanceof Ci.nsIHttpChannel
@@ -62,13 +62,13 @@ var requestListenerObserver = {
 };
 
 var listener = {
-  onStartRequest: function test_onStartR(request) {},
+  onStartRequest: function test_onStartR() {},
 
   onDataAvailable: function test_ODA() {
     do_throw("Should not get any data!");
   },
 
-  onStopRequest: function test_onStopR(request, status) {
+  onStopRequest: function test_onStopR() {
     executeSoon(run_next_test);
   },
 };
diff --git a/netwerk/test/unit/test_suspend_channel_on_authRetry.js b/netwerk/test/unit/test_suspend_channel_on_authRetry.js
index ad0b728b68..ef242b65e5 100644
--- a/netwerk/test/unit/test_suspend_channel_on_authRetry.js
+++ b/netwerk/test/unit/test_suspend_channel_on_authRetry.js
@@ -22,7 +22,7 @@ AuthPrompt.prototype = {
 
   QueryInterface: ChromeUtils.generateQI(["nsIAuthPrompt"]),
 
-  prompt: function ap1_prompt(title, text, realm, save, defaultText, result) {
+  prompt: function ap1_prompt() {
     do_throw("unexpected prompt call");
   },
 
@@ -42,7 +42,7 @@ AuthPrompt.prototype = {
     return true;
   },
 
-  promptPassword: function promptPW(title, text, realm, save, pwd) {
+  promptPassword: function promptPW() {
     do_throw("unexpected promptPassword call");
   },
 };
@@ -64,7 +64,7 @@ requestListenerObserver.prototype = {
   resumeOnModifyRequest: false,
   QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
 
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     if (
       topic === "http-on-before-connect" &&
       subject instanceof Ci.nsIHttpChannel
diff --git a/netwerk/test/unit/test_suspend_channel_on_examine.js b/netwerk/test/unit/test_suspend_channel_on_examine.js
index 7667026a56..0dd36be28f 100644
--- a/netwerk/test/unit/test_suspend_channel_on_examine.js
+++ b/netwerk/test/unit/test_suspend_channel_on_examine.js
@@ -19,7 +19,7 @@ function responseHandler(metadata, response) {
 function onExamineListener(callback) {
   obs.addObserver(
     {
-      observe(subject, topic, data) {
+      observe(subject) {
         obs.removeObserver(this, "http-on-examine-response");
         callback(subject.QueryInterface(Ci.nsIHttpChannel));
       },
@@ -48,7 +48,7 @@ add_test(function testAsyncCancel() {
       chan.resume();
     });
   });
-  startChannelRequest(baseUrl, CL_EXPECT_FAILURE, (request, data, context) => {
+  startChannelRequest(baseUrl, CL_EXPECT_FAILURE, (request, data) => {
     Assert.ok(!data, "no response");
 
     Assert.equal(
diff --git a/netwerk/test/unit/test_suspend_channel_on_examine_merged_response.js b/netwerk/test/unit/test_suspend_channel_on_examine_merged_response.js
index 7496796500..eb26f9d9db 100644
--- a/netwerk/test/unit/test_suspend_channel_on_examine_merged_response.js
+++ b/netwerk/test/unit/test_suspend_channel_on_examine_merged_response.js
@@ -20,7 +20,7 @@ var channelResumed = false;
 var observer = {
   QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
 
-  observe(subject, topic, data) {
+  observe(subject, topic) {
     if (
       topic === "http-on-examine-merged-response" &&
       subject instanceof Ci.nsIHttpChannel
@@ -39,7 +39,7 @@ var observer = {
 };
 
 var listener = {
-  onStartRequest(request) {
+  onStartRequest() {
     buffer = "";
   },
 
diff --git a/netwerk/test/unit/test_suspend_channel_on_modified.js b/netwerk/test/unit/test_suspend_channel_on_modified.js
index 397ffae881..20b52ba817 100644
--- a/netwerk/test/unit/test_suspend_channel_on_modified.js
+++ b/netwerk/test/unit/test_suspend_channel_on_modified.js
@@ -31,7 +31,7 @@ function successResponseHandler(metadata, response) {
 function onModifyListener(callback) {
   obs.addObserver(
     {
-      observe(subject, topic, data) {
+      observe(subject) {
         obs.removeObserver(this, "http-on-modify-request");
         callback(subject.QueryInterface(Ci.nsIHttpChannel));
       },
@@ -47,7 +47,7 @@ function startChannelRequest(uri, flags, expectedResponse = null) {
   });
   chan.asyncOpen(
     new ChannelListener(
-      (request, data, context) => {
+      (request, data) => {
         if (expectedResponse) {
           Assert.equal(data, expectedResponse);
         } else {
diff --git a/netwerk/test/unit/test_synthesized_response.js b/netwerk/test/unit/test_synthesized_response.js
index a598e649c4..e5a82405f2 100644
--- a/netwerk/test/unit/test_synthesized_response.js
+++ b/netwerk/test/unit/test_synthesized_response.js
@@ -45,10 +45,10 @@ function make_channel(url, body, cb) {
     getInterface(iid) {
       return this.QueryInterface(iid);
     },
-    onProgress(request, progress, progressMax) {
+    onProgress() {
       gotOnProgress = true;
     },
-    onStatus(request, status, statusArg) {
+    onStatus() {
       gotOnStatus = true;
     },
     shouldPrepareForIntercept() {
@@ -277,7 +277,7 @@ add_test(function () {
 // In this case we should automatically ResetInterception() and complete the
 // network request.
 add_test(function () {
-  var chan = make_channel(URL + "/body", null, function (channel) {
+  var chan = make_channel(URL + "/body", null, function () {
     throw new Error("boom");
   });
   chan.asyncOpen(new ChannelListener(handle_remote_response, null));
diff --git a/netwerk/test/unit/test_throttlechannel.js b/netwerk/test/unit/test_throttlechannel.js
index 5a0cfd1151..af5604ff36 100644
--- a/netwerk/test/unit/test_throttlechannel.js
+++ b/netwerk/test/unit/test_throttlechannel.js
@@ -38,7 +38,11 @@ function run_test() {
 
   channel.asyncOpen(
     new ChannelListener(() => {
-      ok(tq.bytesProcessed() > 0, "throttled queue processed some bytes");
+      Assert.greater(
+        tq.bytesProcessed(),
+        0,
+        "throttled queue processed some bytes"
+      );
 
       httpserver.stop(do_test_finished);
     })
diff --git a/netwerk/test/unit/test_throttling.js b/netwerk/test/unit/test_throttling.js
index 7627684dce..c51bc62e95 100644
--- a/netwerk/test/unit/test_throttling.js
+++ b/netwerk/test/unit/test_throttling.js
@@ -56,7 +56,11 @@ function run_test() {
   let startTime = Date.now();
   channel.asyncOpen(
     new ChannelListener(() => {
-      ok(Date.now() - startTime > 1000, "request took more than one second");
+      Assert.greater(
+        Date.now() - startTime,
+        1000,
+        "request took more than one second"
+      );
 
       httpserver.stop(do_test_finished);
     })
diff --git a/netwerk/test/unit/test_tls13_disabled.js b/netwerk/test/unit/test_tls13_disabled.js
index 3bcb6333aa..4a86cf452c 100644
--- a/netwerk/test/unit/test_tls13_disabled.js
+++ b/netwerk/test/unit/test_tls13_disabled.js
@@ -32,7 +32,7 @@ Listener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let httpVersion = "";
     try {
       httpVersion = request.protocolVersion;
diff --git a/netwerk/test/unit/test_tls_flags.js b/netwerk/test/unit/test_tls_flags.js
index 876cd0ccea..5d803c48a2 100644
--- a/netwerk/test/unit/test_tls_flags.js
+++ b/netwerk/test/unit/test_tls_flags.js
@@ -166,7 +166,7 @@ function startClient(port, tlsFlags, expectSuccess) {
   req.open("GET", `https://${hostname}:${port}`);
   let internalChannel = req.channel.QueryInterface(Ci.nsIHttpChannelInternal);
   internalChannel.tlsFlags = tlsFlags;
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     req.onload = () => {
       ok(
         expectSuccess,
diff --git a/netwerk/test/unit/test_tls_server_multiple_clients.js b/netwerk/test/unit/test_tls_server_multiple_clients.js
index fdafd9744d..8054d7746c 100644
--- a/netwerk/test/unit/test_tls_server_multiple_clients.js
+++ b/netwerk/test/unit/test_tls_server_multiple_clients.js
@@ -34,7 +34,7 @@ function startServer(cert) {
       input = transport.openInputStream(0, 0, 0);
       output = transport.openOutputStream(0, 0, 0);
     },
-    onHandshakeDone(socket, status) {
+    onHandshakeDone() {
       info("TLS handshake done");
 
       input.asyncWait(
diff --git a/netwerk/test/unit/test_traceable_channel.js b/netwerk/test/unit/test_traceable_channel.js
index 3390682bcf..d4086763cd 100644
--- a/netwerk/test/unit/test_traceable_channel.js
+++ b/netwerk/test/unit/test_traceable_channel.js
@@ -48,7 +48,7 @@ TracingListener.prototype = {
     do_throw("replaced channel's listener during onStartRequest.");
   },
 
-  onStopRequest(request, statusCode) {
+  onStopRequest() {
     dump("*** tracing listener onStopRequest\n");
 
     Assert.equal(gotOnStartRequest, true);
@@ -88,7 +88,7 @@ HttpResponseExaminer.prototype = {
   },
 
   // Replace channel's listener.
-  observe(subject, topic, data) {
+  observe(subject) {
     dump("In HttpResponseExaminer.observe\n");
     try {
       subject.QueryInterface(Ci.nsITraceableChannel);
@@ -129,7 +129,7 @@ function make_channel(url) {
 }
 
 // Check if received body is correctly modified.
-function channel_finished(request, input, ctx) {
+function channel_finished() {
   httpserver.stop(do_test_finished);
 }
 
diff --git a/netwerk/test/unit/test_trackingProtection_annotateChannels.js b/netwerk/test/unit/test_trackingProtection_annotateChannels.js
index a54005b8e2..2fb086bc1f 100644
--- a/netwerk/test/unit/test_trackingProtection_annotateChannels.js
+++ b/netwerk/test/unit/test_trackingProtection_annotateChannels.js
@@ -63,8 +63,8 @@ listener.prototype = {
     request.cancel(Cr.NS_ERROR_ABORT);
     this._nextTest();
   },
-  onDataAvailable: (request, stream, offset, count) => {},
-  onStopRequest: (request, status) => {},
+  onDataAvailable: () => {},
+  onStopRequest: () => {},
 };
 
 var httpServer;
diff --git a/netwerk/test/unit/test_trr.js b/netwerk/test/unit/test_trr.js
index 52b36620b1..1d5d9cd971 100644
--- a/netwerk/test/unit/test_trr.js
+++ b/netwerk/test/unit/test_trr.js
@@ -57,7 +57,7 @@ function setModeAndURI(mode, path) {
   );
 }
 
-function makeChan(url, mode, bypassCache) {
+function makeChan(url, mode) {
   let chan = NetUtil.newChannel({
     uri: url,
     loadUsingSystemPrincipal: true,
diff --git a/netwerk/test/unit/test_trr_blocklist.js b/netwerk/test/unit/test_trr_blocklist.js
index 8f9d3ffbc5..3c72e4e0a7 100644
--- a/netwerk/test/unit/test_trr_blocklist.js
+++ b/netwerk/test/unit/test_trr_blocklist.js
@@ -14,6 +14,21 @@ function setup() {
 }
 setup();
 
+// Waits until a predicate returns true or re-tries the predicate calls
+// |retry| times, we wait for 100ms between each calls.
+async function waitUntil(predicate, retry = 20) {
+  let count = 0;
+  while (count++ < retry) {
+    if (await predicate()) {
+      return true;
+    }
+    // Wait for 100 milliseconds.
+    await new Promise(resolve => do_timeout(100, resolve));
+  }
+  // Timed out after trying too many times.
+  return false;
+}
+
 add_task(async function checkBlocklisting() {
   let trrServer = new TRRServer();
   registerCleanupFunction(async () => {
@@ -76,3 +91,52 @@ add_task(async function checkBlocklisting() {
     "We should do another TRR request because the bloclist expired"
   );
 });
+
+add_task(async function test_blocklist_cname() {
+  let trrServer = new TRRServer();
+  registerCleanupFunction(async () => {
+    await trrServer.stop();
+  });
+  await trrServer.start();
+  info(`port = ${trrServer.port()}\n`);
+
+  Services.dns.clearCache(true);
+  Services.prefs.setCharPref(
+    "network.trr.uri",
+    `https://foo.example.com:${trrServer.port()}/dns-query`
+  );
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRFIRST);
+
+  await trrServer.registerDoHAnswers(`top.test.com`, "NS", {
+    answers: [
+      {
+        name: "top.test.com",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "other.foo",
+      },
+    ],
+  });
+
+  await trrServer.registerDoHAnswers(`other.foo`, "NS", {
+    answers: [
+      {
+        name: "other.foo",
+        ttl: 55,
+        type: "NS",
+        flush: false,
+        data: "ns.other.foo",
+      },
+    ],
+  });
+
+  override.addIPOverride("sub.top.test.com", "2.2.2.2");
+  await new TRRDNSListener("sub.top.test.com", {
+    expectedAnswer: "2.2.2.2",
+  });
+
+  await waitUntil(async () => {
+    return (await trrServer.requestCount("top.test.com", "NS")) == 1;
+  });
+});
diff --git a/netwerk/test/unit/test_trr_confirmation.js b/netwerk/test/unit/test_trr_confirmation.js
index 6635f71377..354e50eb35 100644
--- a/netwerk/test/unit/test_trr_confirmation.js
+++ b/netwerk/test/unit/test_trr_confirmation.js
@@ -246,7 +246,7 @@ add_task(async function multiple_failures() {
     CONFIRM_TRYING_OK,
     "Should be CONFIRM_TRYING_OK"
   );
-  await waitForConfirmationState(CONFIRM_OK, 4500);
+  await waitForConfirmationState(CONFIRM_OK, 6000);
 });
 
 add_task(async function test_connectivity_change() {
diff --git a/netwerk/test/unit/test_trr_https_fallback.js b/netwerk/test/unit/test_trr_https_fallback.js
index 23c5adedaa..dde8e16086 100644
--- a/netwerk/test/unit/test_trr_https_fallback.js
+++ b/netwerk/test/unit/test_trr_https_fallback.js
@@ -963,14 +963,14 @@ add_task(async function testAllRecordsInHttp3ExcludedList() {
 });
 
 WebSocketListener.prototype = {
-  onAcknowledge(aContext, aSize) {},
-  onBinaryMessageAvailable(aContext, aMsg) {},
-  onMessageAvailable(aContext, aMsg) {},
-  onServerClose(aContext, aCode, aReason) {},
-  onStart(aContext) {
+  onAcknowledge() {},
+  onBinaryMessageAvailable() {},
+  onMessageAvailable() {},
+  onServerClose() {},
+  onStart() {
     this.finish();
   },
-  onStop(aContext, aStatusCode) {},
+  onStop() {},
 };
 
 add_task(async function testUpgradeNotUsingHTTPSRR() {
diff --git a/netwerk/test/unit/test_trr_nat64.js b/netwerk/test/unit/test_trr_nat64.js
index aa41f2a611..296035884b 100644
--- a/netwerk/test/unit/test_trr_nat64.js
+++ b/netwerk/test/unit/test_trr_nat64.js
@@ -22,7 +22,7 @@ registerCleanupFunction(async () => {
  * @returns {Promise} A promise that fulfills when the notification is fired.
  */
 function promiseObserverNotification(topic, matchFunc) {
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     Services.obs.addObserver(function observe(subject, topic1, data) {
       let matches = typeof matchFunc != "function" || matchFunc(subject, data);
       if (!matches) {
diff --git a/netwerk/test/unit/test_trr_proxy.js b/netwerk/test/unit/test_trr_proxy.js
index 962971d103..9c1154d7a7 100644
--- a/netwerk/test/unit/test_trr_proxy.js
+++ b/netwerk/test/unit/test_trr_proxy.js
@@ -38,7 +38,7 @@ ChromeUtils.defineLazyGetter(this, "systemSettings", function () {
     PACURI: `data:application/x-ns-proxy-autoconfig;charset=utf-8,${encodeURIComponent(
       FindProxyForURL.toString()
     )}`,
-    getProxyForURI(aURI) {
+    getProxyForURI() {
       throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
     },
   };
diff --git a/netwerk/test/unit/test_trr_proxy_auth.js b/netwerk/test/unit/test_trr_proxy_auth.js
index f339d82dea..afd2043d32 100644
--- a/netwerk/test/unit/test_trr_proxy_auth.js
+++ b/netwerk/test/unit/test_trr_proxy_auth.js
@@ -34,7 +34,7 @@ AuthPrompt.prototype = {
     return true;
   },
 
-  asyncPromptAuth: function ap_async(chan, cb, ctx, lvl, info) {
+  asyncPromptAuth: function ap_async() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
 };
@@ -99,7 +99,7 @@ add_task(async function test_trr_proxy_auth() {
   let authTriggered = false;
   let observer = {
     QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
-    observe(aSubject, aTopic, aData) {
+    observe(aSubject, aTopic) {
       if (aTopic == "http-on-examine-response") {
         Services.obs.removeObserver(observer, "http-on-examine-response");
         let channel = aSubject.QueryInterface(Ci.nsIChannel);
diff --git a/netwerk/test/unit/test_trr_with_proxy.js b/netwerk/test/unit/test_trr_with_proxy.js
index 7d238adb98..d7f520595c 100644
--- a/netwerk/test/unit/test_trr_with_proxy.js
+++ b/netwerk/test/unit/test_trr_with_proxy.js
@@ -156,7 +156,7 @@ add_task(async function test_trr_proxy() {
       QueryInterface: ChromeUtils.generateQI(["nsISystemProxySettings"]),
       mainThreadOnly: true,
       PACURI: null,
-      getProxyForURI: (aSpec, aScheme, aHost, aPort) => {
+      getProxyForURI: () => {
         return `HTTPS foo.example.com:${proxyPort}`;
       },
     };
diff --git a/netwerk/test/unit/test_udp_multicast.js b/netwerk/test/unit/test_udp_multicast.js
index 202a4a1d99..a2022f5bf1 100644
--- a/netwerk/test/unit/test_udp_multicast.js
+++ b/netwerk/test/unit/test_udp_multicast.js
@@ -37,7 +37,7 @@ function sendPing(socket, addr) {
         socket.close();
         resolve(message.data);
       },
-      onStopListening(sock, status) {},
+      onStopListening() {},
     });
 
     info("Multicast send to port " + socket.port);
diff --git a/netwerk/test/unit/test_udpsocket.js b/netwerk/test/unit/test_udpsocket.js
index 340fe6aa13..54170489e3 100644
--- a/netwerk/test/unit/test_udpsocket.js
+++ b/netwerk/test/unit/test_udpsocket.js
@@ -25,7 +25,7 @@ add_test(function test_udp_message_raw_data() {
       socket.close();
       run_next_test();
     },
-    onStopListening(aSocket, aStatus) {},
+    onStopListening() {},
   });
 
   let rawData = new Uint8Array(HELLO_WORLD.length);
@@ -52,7 +52,7 @@ add_test(function test_udp_send_stream() {
       socket.close();
       run_next_test();
     },
-    onStopListening(aSocket, aStatus) {},
+    onStopListening() {},
   });
 
   let stream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
@@ -80,7 +80,7 @@ add_test(function test_udp_message_zero_length() {
       socket.close();
       run_next_test();
     },
-    onStopListening(aSocket, aStatus) {},
+    onStopListening() {},
   });
 
   let rawData = new Uint8Array(EMPTY_MESSAGE.length);
diff --git a/netwerk/test/unit/test_unix_domain.js b/netwerk/test/unit/test_unix_domain.js
index 221721dc38..25a98b9aae 100644
--- a/netwerk/test/unit/test_unix_domain.js
+++ b/netwerk/test/unit/test_unix_domain.js
@@ -131,7 +131,7 @@ function test_echo() {
       );
     },
 
-    onStopListening(aServ, aStatus) {
+    onStopListening(aServ) {
       info("called test_echo's onStopListening");
       log += "s";
 
@@ -456,7 +456,7 @@ function test_connect_permission() {
     let serverOutput = aTransport.openOutputStream(0, 0, 0);
 
     serverInput.asyncWait(
-      function (aStream) {
+      function () {
         info(
           "called test_connect_permission's socketAccepted's onInputStreamReady"
         );
@@ -485,7 +485,7 @@ function test_connect_permission() {
     server.close();
   }
 
-  function stopListening(aServ, aStatus) {
+  function stopListening() {
     info("called test_connect_permission's server's stopListening");
     log += "s";
 
@@ -650,7 +650,7 @@ function test_abstract_address_socket() {
       let serverOutput = aTransport.openOutputStream(0, 0, 0);
 
       serverInput.asyncWait(
-        aStream => {
+        () => {
           info(
             "called test_abstract_address_socket's onSocketAccepted's onInputStreamReady"
           );
@@ -665,7 +665,7 @@ function test_abstract_address_socket() {
         threadManager.currentThread
       );
     },
-    onStopListening: (aServ, aTransport) => {},
+    onStopListening: () => {},
   });
 
   let client =
@@ -680,7 +680,7 @@ function test_abstract_address_socket() {
   clientOutput.write("ping ping", 9);
 
   clientInput.asyncWait(
-    aStream => {
+    () => {
       let clientScriptInput = new ScriptableInputStream(clientInput);
       let available = clientScriptInput.available();
       if (available) {
diff --git a/netwerk/test/unit/test_websocket_offline.js b/netwerk/test/unit/test_websocket_offline.js
index 1f13879dbc..ef8fe0e8dc 100644
--- a/netwerk/test/unit/test_websocket_offline.js
+++ b/netwerk/test/unit/test_websocket_offline.js
@@ -10,11 +10,11 @@ var chan;
 var offlineStatus;
 
 var listener = {
-  onAcknowledge(aContext, aSize) {},
-  onBinaryMessageAvailable(aContext, aMsg) {},
-  onMessageAvailable(aContext, aMsg) {},
-  onServerClose(aContext, aCode, aReason) {},
-  onStart(aContext) {
+  onAcknowledge() {},
+  onBinaryMessageAvailable() {},
+  onMessageAvailable() {},
+  onServerClose() {},
+  onStart() {
     // onStart is not called when a connection fails
     Assert.ok(false);
   },
diff --git a/netwerk/test/unit/test_websocket_with_h3_active.js b/netwerk/test/unit/test_websocket_with_h3_active.js
index f9ed2b08a0..7aa7ffc6da 100644
--- a/netwerk/test/unit/test_websocket_with_h3_active.js
+++ b/netwerk/test/unit/test_websocket_with_h3_active.js
@@ -25,14 +25,14 @@ add_task(async function setup() {
 });
 
 WebSocketListener.prototype = {
-  onAcknowledge(aContext, aSize) {},
-  onBinaryMessageAvailable(aContext, aMsg) {},
-  onMessageAvailable(aContext, aMsg) {},
-  onServerClose(aContext, aCode, aReason) {},
-  onStart(aContext) {
+  onAcknowledge() {},
+  onBinaryMessageAvailable() {},
+  onMessageAvailable() {},
+  onServerClose() {},
+  onStart() {
     this.finish();
   },
-  onStop(aContext, aStatusCode) {},
+  onStop() {},
 };
 
 function makeH2Chan() {
diff --git a/netwerk/test/unit/test_webtransport_simple.js b/netwerk/test/unit/test_webtransport_simple.js
index bd99654bc3..4b64ef840e 100644
--- a/netwerk/test/unit/test_webtransport_simple.js
+++ b/netwerk/test/unit/test_webtransport_simple.js
@@ -77,6 +77,7 @@ add_task(async function test_wt_datagram() {
 
   webTransport.asyncConnect(
     NetUtil.newURI(`https://${host}/success`),
+    true,
     [],
     Services.scriptSecurityManager.getSystemPrincipal(),
     Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -134,6 +135,7 @@ add_task(async function test_connect_wt() {
 
     webTransport.asyncConnect(
       NetUtil.newURI(`https://${host}/success`),
+      true,
       [],
       Services.scriptSecurityManager.getSystemPrincipal(),
       Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -156,6 +158,7 @@ add_task(async function test_redirect_wt() {
 
     webTransport.asyncConnect(
       NetUtil.newURI(`https://${host}/redirect`),
+      true,
       [],
       Services.scriptSecurityManager.getSystemPrincipal(),
       Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -175,6 +178,7 @@ add_task(async function test_reject() {
 
     webTransport.asyncConnect(
       NetUtil.newURI(`https://${host}/reject`),
+      true,
       [],
       Services.scriptSecurityManager.getSystemPrincipal(),
       Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -198,6 +202,7 @@ async function test_closed(path) {
   });
   webTransport.asyncConnect(
     NetUtil.newURI(`https://${host}${path}`),
+    true,
     [],
     Services.scriptSecurityManager.getSystemPrincipal(),
     Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -229,6 +234,7 @@ add_task(async function test_wt_stream_create() {
 
     webTransport.asyncConnect(
       NetUtil.newURI(`https://${host}/success`),
+      true,
       [],
       Services.scriptSecurityManager.getSystemPrincipal(),
       Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -255,6 +261,7 @@ add_task(async function test_wt_stream_send_and_stats() {
 
     webTransport.asyncConnect(
       NetUtil.newURI(`https://${host}/success`),
+      true,
       [],
       Services.scriptSecurityManager.getSystemPrincipal(),
       Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -295,6 +302,7 @@ add_task(async function test_wt_receive_stream_and_stats() {
   });
   webTransport.asyncConnect(
     NetUtil.newURI(`https://${host}/create_unidi_stream_and_hello`),
+    true,
     [],
     Services.scriptSecurityManager.getSystemPrincipal(),
     Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -337,6 +345,7 @@ add_task(async function test_wt_outgoing_bidi_stream() {
 
     webTransport.asyncConnect(
       NetUtil.newURI(`https://${host}/success`),
+      true,
       [],
       Services.scriptSecurityManager.getSystemPrincipal(),
       Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -388,6 +397,7 @@ add_task(async function test_wt_incoming_bidi_stream() {
   });
   webTransport.asyncConnect(
     NetUtil.newURI(`https://${host}/create_bidi_stream`),
+    true,
     [],
     Services.scriptSecurityManager.getSystemPrincipal(),
     Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
@@ -434,6 +444,7 @@ async function createWebTransportAndConnect() {
 
     webTransport.asyncConnect(
       NetUtil.newURI(`https://${host}/success`),
+      true,
       [],
       Services.scriptSecurityManager.getSystemPrincipal(),
       Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
diff --git a/netwerk/test/unit/test_xmlhttprequest.js b/netwerk/test/unit/test_xmlhttprequest.js
index 7363a54cfd..457e24d80c 100644
--- a/netwerk/test/unit/test_xmlhttprequest.js
+++ b/netwerk/test/unit/test_xmlhttprequest.js
@@ -42,7 +42,7 @@ function run_test() {
 
   // Test async XHR sending
   let async = createXHR(true);
-  async.addEventListener("readystatechange", function (event) {
+  async.addEventListener("readystatechange", function () {
     if (checkResults(async)) {
       httpserver.stop(do_test_finished);
     }
diff --git a/netwerk/test/unit/trr_common.js b/netwerk/test/unit/trr_common.js
index 2ddd556983..d65157edee 100644
--- a/netwerk/test/unit/trr_common.js
+++ b/netwerk/test/unit/trr_common.js
@@ -1043,8 +1043,8 @@ async function test_no_retry_without_doh() {
       getInterface(iid) {
         return this.QueryInterface(iid);
       },
-      onProgress(request, progress, progressMax) {},
-      onStatus(request, status, statusArg) {
+      onProgress() {},
+      onStatus(request, status) {
         this.statusCount[status] = 1 + (this.statusCount[status] || 0);
       },
     };
diff --git a/netwerk/test/unit/xpcshell.toml b/netwerk/test/unit/xpcshell.toml
index dd5957abdb..fb3791963d 100644
--- a/netwerk/test/unit/xpcshell.toml
+++ b/netwerk/test/unit/xpcshell.toml
@@ -35,9 +35,11 @@ support-files = [
 # https://bugzilla.mozilla.org/show_bug.cgi?id=1816325
 # Several tests rely on redirecting to data: URIs, which was allowed for a long
 # time but now forbidden. So we enable it just for these tests.
+# Native HTTPS query changes timings for some tests. Disable it for now.
 prefs = [
   "dom.serviceWorkers.enabled=true",
- "network.allow_redirect_to_data=true",
+  "network.allow_redirect_to_data=true",
+  "network.dns.native_https_query=false",
 ]
 
 ["test_1073747.js"]
@@ -106,8 +108,6 @@ skip-if = [
 
 ["test_auth_dialog_permission.js"]
 
-["test_auth_jar.js"]
-
 ["test_auth_multiple.js"]
 
 ["test_auth_proxy.js"]
@@ -434,7 +434,6 @@ run-sequentially = "node server exceptions dont replay well"
 run-sequentially = "node server exceptions dont replay well"
 
 ["test_channel_close.js"]
-skip-if = ["os == 'win' && socketprocess_networking && !debug"]
 
 ["test_channel_long_domain.js"]
 
@@ -444,7 +443,9 @@ skip-if = ["os == 'win' && socketprocess_networking && !debug"]
 prefs = ["security.allow_eval_with_system_principal=true"]
 
 ["test_client_auth_with_proxy.js"]
-skip-if = ["os == 'android'"]
+skip-if = [
+  "os == 'android'",
+]
 
 ["test_coaleasing_h2_and_h3_connection.js"]
 skip-if = [
@@ -606,6 +607,9 @@ skip-if = ["!nightly_build"] # OHTTP Config manager not currently shipped to rel
 
 ["test_http2-proxy-failing.js"]
 run-sequentially = "node server exceptions dont replay well"
+skip-if = [
+  "os == 'win'" # https://bugzilla.mozilla.org/show_bug.cgi?id=1881334
+]
 
 ["test_http2-proxy.js"]
 run-sequentially = "one http2 node proxy is used for all tests, this test is using global session counter"
@@ -731,6 +735,7 @@ run-sequentially = "http3server"
 skip-if = [
   "os == 'android'",
   "os == 'win' && msix", # https://bugzilla.mozilla.org/show_bug.cgi?id=1807931
+  "true", # Will be reenabled in bug 1865394
 ]
 run-sequentially = "http3server"
 
@@ -856,6 +861,8 @@ run-sequentially = "node server exceptions dont replay well"
 
 ["test_multipart_streamconv_missing_lead_boundary.js"]
 
+["test_multipart_set_cookie.js"]
+
 ["test_nestedabout_serialize.js"]
 
 ["test_net_addr.js"]
diff --git a/netwerk/test/unit_ipc/child_veto_in_parent.js b/netwerk/test/unit_ipc/child_veto_in_parent.js
index 8f922a254e..f1bc0a4f50 100644
--- a/netwerk/test/unit_ipc/child_veto_in_parent.js
+++ b/netwerk/test/unit_ipc/child_veto_in_parent.js
@@ -18,7 +18,7 @@ ChromeUtils.defineLazyGetter(this, "randomURI", function () {
   return URL + randomPath;
 });
 
-function make_channel(url, callback, ctx) {
+function make_channel(url) {
   return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
 }
 
diff --git a/netwerk/test/unit_ipc/test_alt-data_cross_process_wrap.js b/netwerk/test/unit_ipc/test_alt-data_cross_process_wrap.js
index 336b9e3129..07c3e8398a 100644
--- a/netwerk/test/unit_ipc/test_alt-data_cross_process_wrap.js
+++ b/netwerk/test/unit_ipc/test_alt-data_cross_process_wrap.js
@@ -41,7 +41,7 @@ function load_channel(channelUrl) {
   chan.asyncOpen(new ChannelListener(readTextData, null));
 }
 
-function make_channel(channelUrl, callback, ctx) {
+function make_channel(channelUrl) {
   return NetUtil.newChannel({
     uri: channelUrl,
     loadUsingSystemPrincipal: true,
diff --git a/netwerk/test/unit_ipc/test_channel_id.js b/netwerk/test/unit_ipc/test_channel_id.js
index fc37651249..1031dba4e2 100644
--- a/netwerk/test/unit_ipc/test_channel_id.js
+++ b/netwerk/test/unit_ipc/test_channel_id.js
@@ -47,7 +47,7 @@ let parentChannelsDone = new Promise(resolve => {
   };
 });
 
-function observer(subject, topic, data) {
+function observer(subject) {
   let channel = subject.QueryInterface(Ci.nsIHttpChannel);
 
   let uri = channel.URI.spec;
diff --git a/netwerk/test/unit_ipc/test_gio_protocol_wrap.js b/netwerk/test/unit_ipc/test_gio_protocol_wrap.js
index f6aa6b83e8..e6e2c42bc2 100644
--- a/netwerk/test/unit_ipc/test_gio_protocol_wrap.js
+++ b/netwerk/test/unit_ipc/test_gio_protocol_wrap.js
@@ -9,7 +9,7 @@ function run_test() {
     "localtest:,recent:"
   );
 
-  do_await_remote_message("gio-allow-test-protocols").then(port => {
+  do_await_remote_message("gio-allow-test-protocols").then(() => {
     do_send_remote_message("gio-allow-test-protocols-done");
   });
 
diff --git a/netwerk/test/unit_ipc/test_httpcancel_wrap.js b/netwerk/test/unit_ipc/test_httpcancel_wrap.js
index f56d0e198b..3e54171ede 100644
--- a/netwerk/test/unit_ipc/test_httpcancel_wrap.js
+++ b/netwerk/test/unit_ipc/test_httpcancel_wrap.js
@@ -13,7 +13,7 @@ function run_test() {
     observer = {
       QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
 
-      observe(subject, topic, data) {
+      observe(subject) {
         subject = subject.QueryInterface(Ci.nsIRequest);
         subject.cancel(Cr.NS_BINDING_ABORTED);
 
diff --git a/netwerk/test/unit_ipc/xpcshell.toml b/netwerk/test/unit_ipc/xpcshell.toml
index 569bcda751..24c84d745d 100644
--- a/netwerk/test/unit_ipc/xpcshell.toml
+++ b/netwerk/test/unit_ipc/xpcshell.toml
@@ -153,6 +153,7 @@ run-sequentially = "http3server"
 skip-if = [
   "os == 'android'",
   "os == 'win' && msix",
+  "true", # Will be reenabled in bug 1865394
 ] # https://bugzilla.mozilla.org/show_bug.cgi?id=1807925
 run-sequentially = "http3server"