Bug 1975980 - report uncaught rejections caused by preference observers firing when resetting prefs after a test, r=jmaher.

fqueze · fqueze · commit a97c6e69da80 · 2025-07-08T21:05:41.000Z
Differential Revision: https://phabricator.services.mozilla.com/D256281
diff --git a/testing/mochitest/browser-test.js b/testing/mochitest/browser-test.js
@@ -1006,6 +1006,8 @@ Tester.prototype = {
         );
       }
 
+      this.PromiseTestUtils.assertNoUncaughtRejections();
+
       // Note the test run time
       let name = this.currentTest.path;
       name = name.slice(name.lastIndexOf("/") + 1);

Original file line number	Diff line number	Diff line change
`@@ -1006,6 +1006,8 @@ Tester.prototype = {`
`1006`	`1006`	`);`
`1007`	`1007`	`}`
`1008`	`1008`
	`1009`	`+ this.PromiseTestUtils.assertNoUncaughtRejections();`
	`1010`	`+`
`1009`	`1011`	`// Note the test run time`
`1010`	`1012`	`let name = this.currentTest.path;`
`1011`	`1013`	`name = name.slice(name.lastIndexOf("/") + 1);`