3 files changed, 48 insertions, 0 deletions
diff --git a/testing/mochitest/baselinecoverage/browser_chrome/browser.ini b/testing/mochitest/baselinecoverage/browser_chrome/browser.ini
new file mode 100644
index 0000000000..f5a3f685ef
--- /dev/null
+++ b/testing/mochitest/baselinecoverage/browser_chrome/browser.ini
@@ -0,0 +1,6 @@
+[DEFAULT]
+
+[browser_baselinecoverage.js]
+run-if = ccov && verify
+[browser_baselinecoverage_browser-chrome.js]
+run-if = ccov && verify
+\ No newline at end of file
diff --git a/testing/mochitest/baselinecoverage/browser_chrome/browser_baselinecoverage.js b/testing/mochitest/baselinecoverage/browser_chrome/browser_baselinecoverage.js
new file mode 100644
index 0000000000..379dc6aac3
--- /dev/null
+++ b/testing/mochitest/baselinecoverage/browser_chrome/browser_baselinecoverage.js
@@ -0,0 +1,15 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable mozilla/no-arbitrary-setTimeout */
+
+"use strict";
+
+const { setTimeout } = ChromeUtils.importESModule(
+  "resource://gre/modules/Timer.sys.mjs"
+);
+
+add_task(async function() {
+  requestLongerTimeout(2);
+  ok(true, "Collecting baseline coverage for javascript (.js) file types.");
+  await new Promise(c => setTimeout(c, 30 * 1000));
+});
diff --git a/testing/mochitest/baselinecoverage/browser_chrome/browser_baselinecoverage_browser-chrome.js b/testing/mochitest/baselinecoverage/browser_chrome/browser_baselinecoverage_browser-chrome.js
new file mode 100644
index 0000000000..4914e38e7a
--- /dev/null
+++ b/testing/mochitest/baselinecoverage/browser_chrome/browser_baselinecoverage_browser-chrome.js
@@ -0,0 +1,27 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable mozilla/no-arbitrary-setTimeout */
+
+"use strict";
+
+const { setTimeout } = ChromeUtils.importESModule(
+  "resource://gre/modules/Timer.sys.mjs"
+);
+
+add_task(async function() {
+  requestLongerTimeout(2);
+  let newWin = await BrowserTestUtils.openNewBrowserWindow();
+
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      url: "about:blank",
+    },
+    async function(browser) {
+      ok(true, "Collecting baseline coverage for browser-chrome tests.");
+      await new Promise(c => setTimeout(c, 30 * 1000));
+    }
+  );
+
+  await BrowserTestUtils.closeWindow(newWin);
+});