Bug: Intermittent [tier 2] browser/base/content/test/sync/browser_synced_tabs_view.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2024-12-09 16:50:54+00:00
Resolved: 2025-01-08 12:12:00+00:00

**Filed by:** amarc [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=486093617&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/RSAHADuyTNKU441UrwZIMg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2024-12-09T15:53:27.957Z] 15:53:27     INFO - TEST-PASS | browser/base/content/test/sync/browser_synced_tabs_view.js | Should have anchored on the sync button itself. - 
[task 2024-12-09T15:53:27.957Z] 15:53:27     INFO - Leaving test bound test_button_in_navbar
[task 2024-12-09T15:53:27.958Z] 15:53:27     INFO - Entering test bound test_button_in_overflow
[task 2024-12-09T15:53:27.958Z] 15:53:27     INFO - Buffered messages finished
[task 2024-12-09T15:53:27.960Z] 15:53:27     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/sync/browser_synced_tabs_view.js | Panel should have opened. - Got "closed", expected "open"
[task 2024-12-09T15:53:27.960Z] 15:53:27     INFO - Stack trace:
[task 2024-12-09T15:53:27.960Z] 15:53:27     INFO - chrome://mochikit/content/browser-test.js:test_is:1627
[task 2024-12-09T15:53:27.960Z] 15:53:27     INFO - chrome://mochitests/content/browser/browser/base/content/test/sync/browser_synced_tabs_view.js:withOpenSyncPanel:29
[task 2024-12-09T15:53:27.960Z] 15:53:27     INFO - chrome://mochitests/content/browser/browser/base/content/test/sync/browser_synced_tabs_view.js:test_button_in_overflow:69
[task 2024-12-09T15:53:27.960Z] 15:53:27     INFO - chrome://mochikit/content/browser-test.js:handleTask:1147
[task 2024-12-09T15:53:27.960Z] 15:53:27     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1219
[task 2024-12-09T15:53:27.960Z] 15:53:27     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1360
[task 2024-12-09T15:53:27.960Z] 15:53:27     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1136
[task 2024-12-09T15:53:27.961Z] 15:53:27     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2024-12-09T15:53:27.961Z] 15:53:27     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/sync/browser_synced_tabs_view.js | Uncaught exception in test bound test_button_in_overflow - at chrome://mochitests/content/browser/browser/base/content/test/sync/browser_synced_tabs_view.js:71 - TypeError: can't access property "closest", panel.anchorNode is null
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - Stack trace:
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - test_button_in_overflow/<@chrome://mochitests/content/browser/browser/base/content/test/sync/browser_synced_tabs_view.js:71:7
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - withOpenSyncPanel@chrome://mochitests/content/browser/browser/base/content/test/sync/browser_synced_tabs_view.js:30:11
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - async*test_button_in_overflow@chrome://mochitests/content/browser/browser/base/content/test/sync/browser_synced_tabs_view.js:69:9
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1147:26
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1219:18
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1360:14
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1136:14
[task 2024-12-09T15:53:27.964Z] 15:53:27     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2024-12-09T15:53:27.965Z] 15:53:27     INFO - Leaving test bound test_button_in_overflow
[task 2024-12-09T15:53:28.280Z] 15:53:28     INFO - GECKO(5900) | MEMORY STAT | vsize 2104468MB | vsizeMaxContiguous 66465792MB | residentFast 391MB | heapAllocated 149MB
[task 2024-12-09T15:53:28.281Z] 15:53:28     INFO - TEST-OK | browser/base/content/test/sync/browser_synced_tabs_view.js | took 1182ms
```