Bug: Intermittent browser/components/sessionstore/test/browser_687710_2.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2024-04-05 21:03:24+00:00
Resolved: 2024-05-03 12:01:04+00:00

**Filed by:** smolnar [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=453672752&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/VnpFZAhpS4-eiz4mCzhndA/runs/1/artifacts/public/logs/live_backing.log

---
```
TEST-START | browser/components/sessionstore/test/browser_687710_2.js
[task 2024-04-05T20:25:16.907Z] 20:25:16     INFO - GECKO(6692) | -----------------------------------------------------
[task 2024-04-05T20:25:16.909Z] 20:25:16     INFO - GECKO(6692) | Suppressions used:
[task 2024-04-05T20:25:16.910Z] 20:25:16     INFO - GECKO(6692) |   count      bytes template
[task 2024-04-05T20:25:16.911Z] 20:25:16     INFO - GECKO(6692) |      31      16288 nsComponentManagerImpl
[task 2024-04-05T20:25:16.912Z] 20:25:16     INFO - GECKO(6692) |       2        288 libfontconfig.so
[task 2024-04-05T20:25:16.913Z] 20:25:16     INFO - GECKO(6692) | -----------------------------------------------------
[task 2024-04-05T20:26:45.496Z] 20:26:45     INFO - TEST-INFO | started process screentopng
[task 2024-04-05T20:26:45.902Z] 20:26:45     INFO - TEST-INFO | screentopng: exit 0
[task 2024-04-05T20:26:45.905Z] 20:26:45     INFO - Buffered messages logged at 20:25:14
[task 2024-04-05T20:26:45.906Z] 20:26:45     INFO - Entering test bound test
[task 2024-04-05T20:26:45.907Z] 20:26:45     INFO - Buffered messages finished
[task 2024-04-05T20:26:45.907Z] 20:26:45     INFO - TEST-UNEXPECTED-FAIL | browser/components/sessionstore/test/browser_687710_2.js | Test timed out - 
[task 2024-04-05T20:26:45.912Z] 20:26:45     INFO - GECKO(6692) | Completed ShutdownLeaks collections in process 6692
[task 2024-04-05T20:26:45.913Z] 20:26:45     INFO - TEST-START | Shutdown
[task 2024-04-05T20:26:45.913Z] 20:26:45     INFO - Browser Chrome Test Summary
[task 2024-04-05T20:26:45.913Z] 20:26:45     INFO - Passed:  550
[task 2024-04-05T20:26:45.914Z] 20:26:45     INFO - Failed:  1
[task 2024-04-05T20:26:45.914Z] 20:26:45     INFO - Todo:    0
[task 2024-04-05T20:26:45.914Z] 20:26:45     INFO - Mode:    e10s
[task 2024-04-05T20:26:45.914Z] 20:26:45     INFO - *** End BrowserChrome Test Results ***
[task 2024-04-05T20:26:45.939Z] 20:26:45     INFO - GECKO(6692) | 1712348805938	Marionette	TRACE	Received observer notification quit-application
[task 2024-04-05T20:26:45.942Z] 20:26:45     INFO - GECKO(6692) | 1712348805941	Marionette	INFO	Stopped listening on port 2828
[task 2024-04-05T20:26:45.960Z] 20:26:45     INFO - GECKO(6692) | console.error: "Given tab is not restoring."
[task 2024-04-05T20:26:45.969Z] 20:26:45     INFO - GECKO(6692) | 1712348805968	Marionette	DEBUG	Marionette stopped listening
[task 2024-04-05T20:26:46.045Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | history.count - 
[task 2024-04-05T20:26:46.057Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | 0 should share doc with 0 - 
[task 2024-04-05T20:26:46.061Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | Child count mismatch (0, 0) - 
[task 2024-04-05T20:26:46.066Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | Cousins should share documents. (0, 0, 0) - 
[task 2024-04-05T20:26:46.071Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | 0 should share doc with 1 - 
[task 2024-04-05T20:26:46.075Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | Child count mismatch (0, 1) - 
[task 2024-04-05T20:26:46.077Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | Cousins should share documents. (0, 1, 0) - 
[task 2024-04-05T20:26:46.079Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | 1 should share doc with 0 - 
[task 2024-04-05T20:26:46.082Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | Child count mismatch (1, 0) - 
[task 2024-04-05T20:26:46.086Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | Cousins should share documents. (1, 0, 0) - 
[task 2024-04-05T20:26:46.087Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | 1 should share doc with 1 - 
[task 2024-04-05T20:26:46.088Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | Child count mismatch (1, 1) - 
[task 2024-04-05T20:26:46.099Z] 20:26:46     INFO - TEST-PASS | browser/components/sessionstore/test/browser_687710_2.js | Cousins should share documents. (1, 1, 0) - 
[task 2024-04-05T20:26:46.107Z] 20:26:46     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-04-05T20:26:46.108Z] 20:26:46     INFO - TEST-UNEXPECTED-FAIL | browser/components/sessionstore/test/browser_687710_2.js | Uncaught exception received from previously timed out test bound test - at resource:///modules/sessionstore/SessionStore.sys.mjs:6149 - TypeError: WeakMap key null must be an object
[task 2024-04-05T20:26:46.108Z] 20:26:46     INFO - Stack trace:
```