Bug: Intermittent browser/base/content/test/general/browser_relatedTabs.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2023-07-09 11:38:02+00:00
Resolved: 2023-08-23 12:02:49+00:00

**Filed by:** nfay [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=422025657&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/A-TjvpsTRtC5svnzEFihzQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2023-07-09T10:30:43.342Z] 10:30:43     INFO - TEST-START | browser/base/content/test/general/browser_relatedTabs.js
[task 2023-07-09T10:30:47.047Z] 10:30:47     INFO - TEST-INFO | started process screenshot
[task 2023-07-09T10:30:47.173Z] 10:30:47     INFO - TEST-INFO | screenshot: exit 0
[task 2023-07-09T10:30:47.173Z] 10:30:47     INFO - Buffered messages logged at 10:30:43
[task 2023-07-09T10:30:47.174Z] 10:30:47     INFO - Entering test bound 
[task 2023-07-09T10:30:47.174Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | one tab is open initially - 
[task 2023-07-09T10:30:47.175Z] 10:30:47     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use �<!DOCTYPE html>�." {file: "http://mochi.test:8888/#0" line: 0}]
[task 2023-07-09T10:30:47.175Z] 10:30:47     INFO - Buffered messages logged at 10:30:44
[task 2023-07-09T10:30:47.175Z] 10:30:47     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use �<!DOCTYPE html>�." {file: "http://mochi.test:8888/#1" line: 0}]
[task 2023-07-09T10:30:47.176Z] 10:30:47     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use �<!DOCTYPE html>�." {file: "http://mochi.test:8888/#2" line: 0}]
[task 2023-07-09T10:30:47.176Z] 10:30:47     INFO - Buffered messages logged at 10:30:45
[task 2023-07-09T10:30:47.176Z] 10:30:47     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use �<!DOCTYPE html>�." {file: "http://mochi.test:8888/#3" line: 0}]
[task 2023-07-09T10:30:47.177Z] 10:30:47     INFO - Buffered messages logged at 10:30:46
[task 2023-07-09T10:30:47.177Z] 10:30:47     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use �<!DOCTYPE html>�." {file: "http://mochi.test:8888/#4" line: 0}]
[task 2023-07-09T10:30:47.178Z] 10:30:47     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use �<!DOCTYPE html>�." {file: "http://mochi.test:8888/#5" line: 0}]
[task 2023-07-09T10:30:47.178Z] 10:30:47     INFO - Buffered messages finished
[task 2023-07-09T10:30:47.179Z] 10:30:47     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_relatedTabs.js | uncaught exception - TypeError: this.mBrowser.urlbarChangeTracker.startedLoad is not a function at onStateChange@chrome://browser/content/tabbrowser.js:6670:47
[task 2023-07-09T10:30:47.179Z] 10:30:47     INFO - 
[task 2023-07-09T10:30:47.179Z] 10:30:47     INFO - Stack trace:
[task 2023-07-09T10:30:47.179Z] 10:30:47     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:simpletestOnerror:2003
[task 2023-07-09T10:30:47.179Z] 10:30:47     INFO - OnErrorEventHandlerNonNull*chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:null:1978
[task 2023-07-09T10:30:47.179Z] 10:30:47     INFO - chrome://mochikit/content/browser-test.js:Tester:175
[task 2023-07-09T10:30:47.179Z] 10:30:47     INFO - chrome://mochikit/content/browser-harness.xhtml:createTester/</<:267
[task 2023-07-09T10:30:47.180Z] 10:30:47     INFO - GECKO(6392) | JavaScript error: chrome://browser/content/tabbrowser.js, line 6670: TypeError: this.mBrowser.urlbarChangeTracker.startedLoad is not a function
[task 2023-07-09T10:30:47.180Z] 10:30:47     INFO - Console message: [JavaScript Error: "TypeError: this.mBrowser.urlbarChangeTracker.startedLoad is not a function" {file: "chrome://browser/content/tabbrowser.js" line: 6670}]
[task 2023-07-09T10:30:47.180Z] 10:30:47     INFO - onStateChange@chrome://browser/content/tabbrowser.js:6670:47
[task 2023-07-09T10:30:47.180Z] 10:30:47     INFO - 
[task 2023-07-09T10:30:47.181Z] 10:30:47     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use �<!DOCTYPE html>�." {file: "http://mochi.test:8888/#6" line: 0}]
[task 2023-07-09T10:30:47.644Z] 10:30:47     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use �<!DOCTYPE html>�." {file: "http://mochi.test:8888/#7" line: 0}]
[task 2023-07-09T10:30:47.958Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | tab without referrer was opened to the far right - 
[task 2023-07-09T10:30:47.966Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | tab without referrer was opened to the far right - 
[task 2023-07-09T10:30:47.967Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | tab with referrer opened immediately to the right - 
[task 2023-07-09T10:30:47.968Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | next tab with referrer opened further to the right - 
[task 2023-07-09T10:30:47.968Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | tab selection changed, tab opens immediately to the right - 
[task 2023-07-09T10:30:47.969Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | blank tab with referrer opens to the right of 3rd original tab where removed tab was - 
[task 2023-07-09T10:30:47.970Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | tab has moved, new tab opens immediately to the right - 
[task 2023-07-09T10:30:47.970Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | blank tab without referrer opens at the end - 
[task 2023-07-09T10:30:47.972Z] 10:30:47     INFO - TEST-PASS | browser/base/content/test/general/browser_relatedTabs.js | tab without referrer opens at the end - 
[task 2023-07-09T10:30:48.115Z] 10:30:48     INFO - Leaving test bound 
[task 2023-07-09T10:30:48.648Z] 10:30:48     INFO - GECKO(6392) | MEMORY STAT | vsize 19414610MB | vsizeMaxContiguous 66037906MB | residentFast 1720MB
[task 2023-07-09T10:30:48.664Z] 10:30:48     INFO - TEST-OK | browser/base/content/test/general/browser_relatedTabs.js | took 5316ms
[task 2023-07-09T10:30:48.679Z] 10:30:48     INFO - checking window state
[task 2023-07-09T10:30:48.711Z] 10:30:48     INFO - TEST-START | browser/base/content/test/general/browser_remoteTroubleshoot.js
```