3 files changed, 3 insertions, 3 deletions
diff --git a/browser/components/preferences/tests/siteData/browser_clearSiteData.js b/browser/components/preferences/tests/siteData/browser_clearSiteData.js
index ad1d27bfe2..7ae1fda453 100644
--- a/browser/components/preferences/tests/siteData/browser_clearSiteData.js
+++ b/browser/components/preferences/tests/siteData/browser_clearSiteData.js
@@ -137,7 +137,7 @@ async function testClearData(clearSiteData, clearCache) {
   let clearButton = dialogWin.document
     .querySelector("dialog")
     .getButton("accept");
-  if (!clearSiteData && !clearCache) {
+  if (!clearSiteData && !clearCache && useOldClearHistoryDialog) {
     // Simulate user input on one of the checkboxes to trigger the event listener for
     // disabling the clearButton.
     clearCacheCheckbox.doCommand();
diff --git a/browser/components/preferences/tests/siteData/head.js b/browser/components/preferences/tests/siteData/head.js
index 2b8a9984a6..6385013a52 100644
--- a/browser/components/preferences/tests/siteData/head.js
+++ b/browser/components/preferences/tests/siteData/head.js
@@ -52,7 +52,7 @@ function is_element_hidden(aElement, aMsg) {
 }
 
 function promiseLoadSubDialog(aURL) {
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     content.gSubDialog._dialogStack.addEventListener(
       "dialogopen",
       function dialogopen(aEvent) {
diff --git a/browser/components/preferences/tests/siteData/service_worker_test.html b/browser/components/preferences/tests/siteData/service_worker_test.html
index 56f5173481..710b61090f 100644
--- a/browser/components/preferences/tests/siteData/service_worker_test.html
+++ b/browser/components/preferences/tests/siteData/service_worker_test.html
@@ -13,7 +13,7 @@
     <h1>Service Worker Test</h1>
     <script type="text/javascript">
       navigator.serviceWorker.register("service_worker_test.js")
-               .then(regis => document.body.setAttribute("data-test-service-worker-registered", "true"));
+               .then(() => document.body.setAttribute("data-test-service-worker-registered", "true"));
     </script>
   </body>
 </html>