Bug: Intermittent browser/base/content/test/performance/browser_window_resize.js | Test timed out - | Uncaught exception received from previously timed out test -
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2022-06-15 14:16:34+00:00
Resolved: 2022-07-25 23:07:20+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=381419595&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/NpZM8kU3SWSQbrYLgtBUag/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-06-15T13:42:53.161Z] 13:42:53     INFO - TEST-START | browser/base/content/test/performance/browser_window_resize.js
[task 2022-06-15T13:42:59.560Z] 13:42:59     INFO - GECKO(1642) | 2022-06-15 13:42:59.559 firefox[1642:23623] Persistent UI failed to open file file:///Users/cltbld/Library/Saved%20Application%20State/org.mozilla.nightly.savedState/window_1.data: No such file or directory (2)
[task 2022-06-15T13:43:38.304Z] 13:43:38     INFO - TEST-INFO | started process screencapture
[task 2022-06-15T13:43:38.386Z] 13:43:38     INFO - TEST-INFO | screencapture: exit 0
[task 2022-06-15T13:43:38.387Z] 13:43:38     INFO - Buffered messages logged at 13:42:53
[task 2022-06-15T13:43:38.387Z] 13:43:38     INFO - Entering test bound 
[task 2022-06-15T13:43:38.387Z] 13:43:38     INFO - TEST-PASS | browser/base/content/test/performance/browser_window_resize.js | The toolbar is collapsed by default - true == true - 
[task 2022-06-15T13:43:38.388Z] 13:43:38     INFO - Buffered messages finished
[task 2022-06-15T13:43:38.388Z] 13:43:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_window_resize.js | Test timed out - 
[task 2022-06-15T13:43:38.389Z] 13:43:38     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-15T13:43:38.389Z] 13:43:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_window_resize.js | Uncaught exception received from previously timed out test - transitionend listener on #PersonalToolbar not removed before the end of test
[task 2022-06-15T13:43:38.390Z] 13:43:38     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-15T13:43:38.391Z] 13:43:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_window_resize.js | A promise chain failed to handle a rejection: BookmarksToolbarVisibilityUpdated listener on #PersonalToolbar not removed before the end of test - stack: (No stack available.)
[task 2022-06-15T13:43:38.391Z] 13:43:38     INFO - Rejection date: Wed Jun 15 2022 13:43:38 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2022-06-15T13:43:38.391Z] 13:43:38     INFO - Stack trace:
[task 2022-06-15T13:43:38.391Z] 13:43:38     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2022-06-15T13:43:38.391Z] 13:43:38     INFO - chrome://mochikit/content/browser-test.js:nextTest:625
[task 2022-06-15T13:43:38.391Z] 13:43:38     INFO - chrome://mochikit/content/browser-test.js:timeoutFn:1289
[task 2022-06-15T13:43:38.391Z] 13:43:38     INFO - GECKO(1642) | JavaScript error: resource://testing-common/PromiseTestUtils.jsm, line 120: uncaught exception: BookmarksToolbarVisibilityUpdated listener on #PersonalToolbar not removed before the end of test
[task 2022-06-15T13:43:38.392Z] 13:43:38     INFO - Console message: [JavaScript Error: "uncaught exception: BookmarksToolbarVisibilityUpdated listener on #PersonalToolbar not removed before the end of test" {file: "resource://testing-common/PromiseTestUtils.jsm" line: 120}]
[task 2022-06-15T13:43:38.392Z] 13:43:38     INFO - GECKO(1642) | MEMORY STAT | vsize 8031MB | residentFast 358MB | heapAllocated 140MB
[task 2022-06-15T13:43:38.393Z] 13:43:38     INFO - TEST-OK | browser/base/content/test/performance/browser_window_resize.js | took 45146ms
[task 2022-06-15T13:43:38.393Z] 13:43:38     INFO - checking window state
[task 2022-06-15T13:43:38.394Z] 13:43:38     INFO - TEST-START | browser/base/content/test/performance/browser_windowclose.js
```