Bug 1843001 Comment 28 Edit History

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Backed out for causing mochitest-plain failures on test_offline_localhost_fetch.html.

- [Push with failures](https://treeherder.mozilla.org/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception%2Crunnable&revision=87f698d4fb8ea150f7897f728588ea8e0a773108&selectedTaskRun=NrPknP2zTcu9Q6bIces6Og.0)

- [Failure log](https://treeherder.mozilla.org/logviewer?job_id=470458049&repo=autoland&lineNumber=3955)

- [Backout link](https://hg.mozilla.org/integration/autoland/rev/cd2460622792fdb7dd44227fd443723c47de2c80)
```
[task 2024-08-15T08:46:04.219Z] 08:46:04     INFO -  TEST-START | dom/serviceworkers/test/test_offline_localhost_fetch.html
[task 2024-08-15T08:51:07.268Z] 08:51:07  WARNING -  TEST-UNEXPECTED-FAIL | dom/serviceworkers/test/test_offline_localhost_fetch.html | Test timed out. -
[task 2024-08-15T08:51:07.269Z] 08:51:07  WARNING -  TEST-UNEXPECTED-FAIL | dom/serviceworkers/test/test_offline_localhost_fetch.html | [SimpleTest.finish()] No checks actually run. (You need to call ok(), is(), or similar functions at least once.  Make sure you use SimpleTest.waitForExplicitFinish() if you need it.)
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      SimpleTest.ok@SimpleTest/SimpleTest.js:426:16
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      afterCleanup@SimpleTest/SimpleTest.js:1477:18
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      executeCleanupFunction@SimpleTest/SimpleTest.js:1562:7
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      SimpleTest.finish@SimpleTest/SimpleTest.js:1582:3
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      killTest@SimpleTest/TestRunner.js:200:22
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      async*delayedKillTest@SimpleTest/TestRunner.js:243:17
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:241:17
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      TestRunner.runTests/<@SimpleTest/TestRunner.js:535:16
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      Async*TestRunner.runTests@SimpleTest/TestRunner.js:522:48
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      RunSet.runtests@SimpleTest/setup.js:285:14
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      RunSet.runall@SimpleTest/setup.js:264:12
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      getPrefList/<@SimpleTest/setup.js:351:14
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      loadFile/req.onload@SimpleTest/setup.js:80:19
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      EventHandlerNonNull*loadFile@SimpleTest/setup.js:75:3
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      getPrefList@SimpleTest/setup.js:349:13
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      hookupTests@SimpleTest/setup.js:372:5
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -  parseTestManifest@http://mochi.test:8888/manifestLibrary.js:53:13
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -  getTestManifest/req.onload@http://mochi.test:8888/manifestLibrary.js:66:28
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -  EventHandlerNonNull*getTestManifest@http://mochi.test:8888/manifestLibrary.js:62:3
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      hookup@SimpleTest/setup.js:337:20
[task 2024-08-15T08:51:07.272Z] 08:51:07     INFO -  EventHandlerNonNull*@http://mochi.test:8888/tests?autorun=1&closeWhenDone=1&logFile=%2Fdata%2Flocal%2Ftmp%2Ftest_root%2Flogs%2Fmochitest.log&fileLevel=INFO&consoleLevel=INFO&hideResultsTable=1&manifestFile=tests.json&dumpOutputDirectory=%2Fdata%2Flocal%2Ftmp%2Ftest_root&ignorePrefsFile=ignorePrefs.json:10:32
[task 2024-08-15T08:51:07.272Z] 08:51:07  WARNING -  TEST-UNEXPECTED-FAIL | /tests/dom/serviceworkers/test/test_offline_localhost_fetch.html logged result after SimpleTest.finish(): [SimpleTest.finish()] No checks actually run. (You need to call ok(), is(), or similar functions at least once.  Make sure you use SimpleTest.waitForExplicitFinish() if you need it.)
[task 2024-08-15T08:51:07.272Z] 08:51:07     INFO -  TEST-OK | dom/serviceworkers/test/test_offline_localhost_fetch.html | took 307387ms
[task 2024-08-15T08:51:07.272Z] 08:51:07     INFO -  TEST-START | dom/serviceworkers/test/test_onmessageerror.html
```
Backed out for causing mochitest-plain failures on test_offline_localhost_fetch.html.
So far, the failures appeared only on **Android 7.0 x86-64**.

- [Push with failures](https://treeherder.mozilla.org/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception%2Crunnable&revision=87f698d4fb8ea150f7897f728588ea8e0a773108&selectedTaskRun=NrPknP2zTcu9Q6bIces6Og.0)

- [Failure log](https://treeherder.mozilla.org/logviewer?job_id=470458049&repo=autoland&lineNumber=3955)

- [Backout link](https://hg.mozilla.org/integration/autoland/rev/cd2460622792fdb7dd44227fd443723c47de2c80)
```
[task 2024-08-15T08:46:04.219Z] 08:46:04     INFO -  TEST-START | dom/serviceworkers/test/test_offline_localhost_fetch.html
[task 2024-08-15T08:51:07.268Z] 08:51:07  WARNING -  TEST-UNEXPECTED-FAIL | dom/serviceworkers/test/test_offline_localhost_fetch.html | Test timed out. -
[task 2024-08-15T08:51:07.269Z] 08:51:07  WARNING -  TEST-UNEXPECTED-FAIL | dom/serviceworkers/test/test_offline_localhost_fetch.html | [SimpleTest.finish()] No checks actually run. (You need to call ok(), is(), or similar functions at least once.  Make sure you use SimpleTest.waitForExplicitFinish() if you need it.)
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      SimpleTest.ok@SimpleTest/SimpleTest.js:426:16
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      afterCleanup@SimpleTest/SimpleTest.js:1477:18
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      executeCleanupFunction@SimpleTest/SimpleTest.js:1562:7
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      SimpleTest.finish@SimpleTest/SimpleTest.js:1582:3
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      killTest@SimpleTest/TestRunner.js:200:22
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      async*delayedKillTest@SimpleTest/TestRunner.js:243:17
[task 2024-08-15T08:51:07.269Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:241:17
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.270Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:255:15
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      TestRunner.runTests/<@SimpleTest/TestRunner.js:535:16
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      Async*TestRunner.runTests@SimpleTest/TestRunner.js:522:48
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      RunSet.runtests@SimpleTest/setup.js:285:14
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      RunSet.runall@SimpleTest/setup.js:264:12
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      getPrefList/<@SimpleTest/setup.js:351:14
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      loadFile/req.onload@SimpleTest/setup.js:80:19
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      EventHandlerNonNull*loadFile@SimpleTest/setup.js:75:3
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      getPrefList@SimpleTest/setup.js:349:13
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      hookupTests@SimpleTest/setup.js:372:5
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -  parseTestManifest@http://mochi.test:8888/manifestLibrary.js:53:13
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -  getTestManifest/req.onload@http://mochi.test:8888/manifestLibrary.js:66:28
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -  EventHandlerNonNull*getTestManifest@http://mochi.test:8888/manifestLibrary.js:62:3
[task 2024-08-15T08:51:07.271Z] 08:51:07     INFO -      hookup@SimpleTest/setup.js:337:20
[task 2024-08-15T08:51:07.272Z] 08:51:07     INFO -  EventHandlerNonNull*@http://mochi.test:8888/tests?autorun=1&closeWhenDone=1&logFile=%2Fdata%2Flocal%2Ftmp%2Ftest_root%2Flogs%2Fmochitest.log&fileLevel=INFO&consoleLevel=INFO&hideResultsTable=1&manifestFile=tests.json&dumpOutputDirectory=%2Fdata%2Flocal%2Ftmp%2Ftest_root&ignorePrefsFile=ignorePrefs.json:10:32
[task 2024-08-15T08:51:07.272Z] 08:51:07  WARNING -  TEST-UNEXPECTED-FAIL | /tests/dom/serviceworkers/test/test_offline_localhost_fetch.html logged result after SimpleTest.finish(): [SimpleTest.finish()] No checks actually run. (You need to call ok(), is(), or similar functions at least once.  Make sure you use SimpleTest.waitForExplicitFinish() if you need it.)
[task 2024-08-15T08:51:07.272Z] 08:51:07     INFO -  TEST-OK | dom/serviceworkers/test/test_offline_localhost_fetch.html | took 307387ms
[task 2024-08-15T08:51:07.272Z] 08:51:07     INFO -  TEST-START | dom/serviceworkers/test/test_onmessageerror.html
```

Back to Bug 1843001 Comment 28