Bug 1756387 Comment 11 Edit History

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Backed out for causing mochitest failures on browser_tabKeyNav.js.

[Push with failures](https://treeherder.mozilla.org/jobs?repo=autoland&selectedTaskRun=e8jcOG04QCGq4SoumlmY9A.0&resultStatus=testfailed%2Cbusted%2Cexception%2Crunnable&revision=c0c2a5873abe3954e04d9b24c033d3e8ae94ac8d)
So far there are 2 failures lines.

[Failure log for Actual focused element should equal the expected focused element](https://treeherder.mozilla.org/logviewer?job_id=370462255&repo=autoland&lineNumber=4259)
[Failure log for | [JavaScript Error: "Unknown Collection "main/fxmonitor-breaches"" {file: "resource://services-settings/RemoteSettingsClient.jsm" line: 158}]](https://treeherder.mozilla.org/logviewer?job_id=370461766&repo=autoland&lineNumber=3780)

[Backout link](https://hg.mozilla.org/integration/autoland/rev/84b87dc1347daf8b7cb47a35afe258ca6194f6ff)
Backed out for causing mochitest failures on browser_tabKeyNav.js.

[Push with failures](https://treeherder.mozilla.org/jobs?repo=autoland&selectedTaskRun=e8jcOG04QCGq4SoumlmY9A.0&resultStatus=testfailed%2Cbusted%2Cexception%2Crunnable&revision=c0c2a5873abe3954e04d9b24c033d3e8ae94ac8d)
So far there are 2 failures lines.

[Failure log for | Actual focused element should equal the expected focused element](https://treeherder.mozilla.org/logviewer?job_id=370462255&repo=autoland&lineNumber=4259)
[Failure log for | [JavaScript Error: "Unknown Collection "main/fxmonitor-breaches"" {file: "resource://services-settings/RemoteSettingsClient.jsm" line: 158}]](https://treeherder.mozilla.org/logviewer?job_id=370461766&repo=autoland&lineNumber=3780)

[Backout link](https://hg.mozilla.org/integration/autoland/rev/84b87dc1347daf8b7cb47a35afe258ca6194f6ff)
```
[task 2022-03-09T22:26:04.553Z] 22:26:04     INFO - TEST-START | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js
[task 2022-03-09T22:26:05.133Z] 22:26:05     INFO - TEST-INFO | started process screencapture
[task 2022-03-09T22:26:05.254Z] 22:26:05     INFO - TEST-INFO | screencapture: exit 0
[task 2022-03-09T22:26:05.254Z] 22:26:05     INFO - Buffered messages logged at 22:26:04
[task 2022-03-09T22:26:05.254Z] 22:26:05     INFO - Entering setup bound setup
[task 2022-03-09T22:26:05.255Z] 22:26:05     INFO - Console message: [JavaScript Error: "Unknown Collection "main/fxmonitor-breaches"" {file: "resource://services-settings/RemoteSettingsClient.jsm" line: 158}]
[task 2022-03-09T22:26:05.255Z] 22:26:05     INFO - UnknownCollectionError@resource://services-settings/RemoteSettingsClient.jsm:158:5
[task 2022-03-09T22:26:05.255Z] 22:26:05     INFO - sync@resource://services-settings/RemoteSettingsClient.jsm:501:13
[task 2022-03-09T22:26:05.255Z] 22:26:05     INFO - 
[task 2022-03-09T22:26:05.255Z] 22:26:05     INFO - Leaving setup bound setup
[task 2022-03-09T22:26:05.256Z] 22:26:05     INFO - Entering test bound setup_head
[task 2022-03-09T22:26:05.256Z] 22:26:05     INFO - Leaving test bound setup_head
[task 2022-03-09T22:26:05.257Z] 22:26:05     INFO - Entering test bound test_tab_key_nav
[task 2022-03-09T22:26:05.257Z] 22:26:05     INFO - Buffered messages logged at 22:26:05
[task 2022-03-09T22:26:05.257Z] 22:26:05     INFO - TEST-PASS | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - 
[task 2022-03-09T22:26:05.258Z] 22:26:05     INFO - TEST-PASS | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - 
[task 2022-03-09T22:26:05.258Z] 22:26:05     INFO - TEST-PASS | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - 
[task 2022-03-09T22:26:05.259Z] 22:26:05     INFO - TEST-PASS | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {"0":{},"1":{},"2":{},"3":{},"4":{},"5":{},"6":{}} == {"0":{},"1":{},"2":{},"3":{},"4":{},"5":{},"6":{}} - 
[task 2022-03-09T22:26:05.260Z] 22:26:05     INFO - TEST-PASS | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - 
[task 2022-03-09T22:26:05.260Z] 22:26:05     INFO - TEST-PASS | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - 
[task 2022-03-09T22:26:05.260Z] 22:26:05     INFO - TEST-PASS | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - 
[task 2022-03-09T22:26:05.261Z] 22:26:05     INFO - TEST-PASS | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - 
[task 2022-03-09T22:26:05.262Z] 22:26:05     INFO - Buffered messages finished
[task 2022-03-09T22:26:05.262Z] 22:26:05     INFO - TEST-UNEXPECTED-FAIL | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - got ({}), expected ({}) (operator ==)
[task 2022-03-09T22:26:05.262Z] 22:26:05     INFO - Stack trace:
[task 2022-03-09T22:26:05.262Z] 22:26:05     INFO - is@resource://specialpowers/SpecialPowersSandbox.jsm:90:21
[task 2022-03-09T22:26:05.262Z] 22:26:05     INFO - @chrome://mochitests/content/browser/browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js:96:9
[task 2022-03-09T22:26:05.263Z] 22:26:05     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-03-09T22:26:05.264Z] 22:26:05     INFO - TEST-UNEXPECTED-FAIL | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - got ({}), expected ({}) (operator ==)
[task 2022-03-09T22:26:05.264Z] 22:26:05     INFO - Stack trace:
[task 2022-03-09T22:26:05.264Z] 22:26:05     INFO - is@resource://specialpowers/SpecialPowersSandbox.jsm:90:21
[task 2022-03-09T22:26:05.264Z] 22:26:05     INFO - @chrome://mochitests/content/browser/browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js:96:9
[task 2022-03-09T22:26:05.264Z] 22:26:05     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-03-09T22:26:05.265Z] 22:26:05     INFO - TEST-UNEXPECTED-FAIL | browser/components/aboutlogins/tests/browser/browser_tabKeyNav.js | Actual focused element should equal the expected focused element - {} == {} - got ({}), expected ({}) (operator ==)
[task 2022-03-09T22:26:05.265Z] 22:26:05     INFO - Stack trace:
```

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