Bug: Intermittent browser/base/content/test/general/browser_bug734076.js | Test timed out - | Found a tab after previous test timed out: http://mochi.test:8888/ -
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-09-11 11:59:17+00:00
Resolved: 2021-09-21 17:03:48+00:00

**Filed by:** btara [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=315433588&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/DowSIQFoTFSN5Op0AV6POw/runs/0/artifacts/public/logs/live_backing.log

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```
```
[task 2020-09-11T10:54:40.556Z] 10:54:40     INFO - TEST-START | browser/base/content/test/general/browser_bug734076.js
[task 2020-09-11T10:54:41.395Z] 10:54:41     INFO - GECKO(2788) | JavaScript error: resource:///actors/ContextMenuChild.jsm, line 567: TypeError: doc is null
[task 2020-09-11T10:56:10.589Z] 10:56:10     INFO - TEST-INFO | started process screenshot
[task 2020-09-11T10:56:10.810Z] 10:56:10     INFO - TEST-INFO | screenshot: exit 0
[task 2020-09-11T10:56:10.811Z] 10:56:10     INFO - Buffered messages logged at 10:54:40
[task 2020-09-11T10:56:10.811Z] 10:56:10     INFO - Entering test bound 
[task 2020-09-11T10:56:10.811Z] 10:56:10     INFO - Buffered messages logged at 10:54:41
[task 2020-09-11T10:56:10.811Z] 10:56:10     INFO - Run subtest view background image
[task 2020-09-11T10:56:10.811Z] 10:56:10     INFO - Console message: [JavaScript Error: "TypeError: doc is null" {file: "resource:///actors/ContextMenuChild.jsm" line: 567}]
[task 2020-09-11T10:56:10.811Z] 10:56:10     INFO - handleEvent@resource:///actors/ContextMenuChild.jsm:567:9
[task 2020-09-11T10:56:10.811Z] 10:56:10     INFO - synthesizeMouseAtPoint@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:587:32
[task 2020-09-11T10:56:10.812Z] 10:56:10     INFO - synthesizeMouse/<@resource://testing-common/BrowserTestUtilsChild.jsm:334:34
[task 2020-09-11T10:56:10.812Z] 10:56:10     INFO - wrapHandlingUserInput@resource://gre/modules/E10SUtils.jsm:1081:7
[task 2020-09-11T10:56:10.812Z] 10:56:10     INFO - synthesizeMouse@resource://testing-common/BrowserTestUtilsChild.jsm:330:15
[task 2020-09-11T10:56:10.812Z] 10:56:10     INFO - receiveMessage@resource://testing-common/BrowserTestUtilsChild.jsm:149:21
[task 2020-09-11T10:56:10.812Z] 10:56:10     INFO - 
[task 2020-09-11T10:56:10.812Z] 10:56:10     INFO - Buffered messages finished
[task 2020-09-11T10:56:10.812Z] 10:56:10     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_bug734076.js | Test timed out - 
[task 2020-09-11T10:56:10.812Z] 10:56:10     INFO - GECKO(2788) | MEMORY STAT | vsize 19406467MB | vsizeMaxContiguous 65289263MB | residentFast 1523MB
[task 2020-09-11T10:56:10.812Z] 10:56:10     INFO - TEST-OK | browser/base/content/test/general/browser_bug734076.js | took 90106ms
[task 2020-09-11T10:56:10.813Z] 10:56:10     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-09-11T10:56:10.813Z] 10:56:10     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_bug734076.js | Found a tab after previous test timed out: http://mochi.test:8888/ - 
[task 2020-09-11T10:56:10.813Z] 10:56:10     INFO - checking window state
[task 2020-09-11T10:56:10.813Z] 10:56:10     INFO - TEST-START | browser/base/content/test/general/browser_bug749738.js
[task 2020-09-11T10:56:11.419Z] 10:56:11     INFO - GECKO(2788) | MEMORY STAT | vsize 19406438MB | vsizeMaxContiguous 65289263MB | residentFast 1524MB
[task 2020-09-11T10:56:11.419Z] 10:56:11     INFO - TEST-OK | browser/base/content/test/general/browser_bug749738.js | took 620ms
``````