Bug: Intermittent TV browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | Uncaught exception in test bound test_max_render_count_on_win_resize - undefined - timed out after 50 tries.
Status: RESOLVED
Priority: P2
Resolution: FIXED
Created: 2023-12-18 18:45:54+00:00
Resolved: 2024-01-10 04:56:58+00:00

**Filed by:** nfay [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=440536281&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/GjE3JaOHRYC5Tw_rHD71-Q/runs/0/artifacts/public/logs/live_backing.log
**Reftest URL:** https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/GjE3JaOHRYC5Tw_rHD71-Q/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2023-12-18T18:14:32.121Z] 18:14:32     INFO - TEST-START | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js
[task 2023-12-18T18:14:37.964Z] 18:14:37     INFO - TEST-INFO | started process screenshot
[task 2023-12-18T18:14:38.151Z] 18:14:38     INFO - TEST-INFO | screenshot: exit 0
[task 2023-12-18T18:14:38.151Z] 18:14:38     INFO - Buffered messages logged at 18:14:32
[task 2023-12-18T18:14:38.152Z] 18:14:38     INFO - Entering setup bound 
[task 2023-12-18T18:14:38.152Z] 18:14:38     INFO - Leaving setup bound 
[task 2023-12-18T18:14:38.153Z] 18:14:38     INFO - Entering test bound test_max_render_count_on_win_resize
[task 2023-12-18T18:14:38.154Z] 18:14:38     INFO - TEST-PASS | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | Firefox View tab exists - [object XULElement] == true - 
[task 2023-12-18T18:14:38.154Z] 18:14:38     INFO - TEST-PASS | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | Firefox View tab is hidden - true == true - 
[task 2023-12-18T18:14:38.155Z] 18:14:38     INFO - TEST-PASS | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | Firefox View tab is not in the list of visible tabs - -1 == -1 - 
[task 2023-12-18T18:14:38.155Z] 18:14:38     INFO - TEST-PASS | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | Firefox View tab is selected - true == true - 
[task 2023-12-18T18:14:38.156Z] 18:14:38     INFO - openFirefoxViewTab, waiting for complete readyState, visible and firefoxview-entered
[task 2023-12-18T18:14:38.156Z] 18:14:38     INFO - openFirefoxViewTab, ready resolved
[task 2023-12-18T18:14:38.157Z] 18:14:38     INFO - TEST-PASS | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | Firefox View is loaded to the Recent Browsing page. - 
[task 2023-12-18T18:14:38.158Z] 18:14:38     INFO - navigateToCategoryAndWait, for history
[task 2023-12-18T18:14:38.158Z] 18:14:38     INFO - The initial maxRenderCountEstimate is 56
[task 2023-12-18T18:14:38.159Z] 18:14:38     INFO - The window has been resized with a height of 540px
[task 2023-12-18T18:14:38.159Z] 18:14:38     INFO - TEST-PASS | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | The maxRenderCountEstimate on the virtual-list is now 40 - 
[task 2023-12-18T18:14:38.160Z] 18:14:38     INFO - The window has been resized with initial dimensions
[task 2023-12-18T18:14:38.160Z] 18:14:38     INFO - Buffered messages finished
[task 2023-12-18T18:14:38.161Z] 18:14:38     INFO - TEST-UNEXPECTED-FAIL | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | Uncaught exception in test bound test_max_render_count_on_win_resize - undefined - timed out after 50 tries.
[task 2023-12-18T18:14:38.161Z] 18:14:38     INFO - Leaving test bound test_max_render_count_on_win_resize
[task 2023-12-18T18:14:38.443Z] 18:14:38     INFO - GECKO(3264) | MEMORY STAT | vsize 978MB | vsizeMaxContiguous 1293MB | residentFast 260MB | heapAllocated 106MB
[task 2023-12-18T18:14:38.445Z] 18:14:38     INFO - TEST-OK | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | took 6324ms
[task 2023-12-18T18:14:38.446Z] 18:14:38     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-12-18T18:14:38.446Z] 18:14:38     INFO - TEST-UNEXPECTED-FAIL | browser/components/firefoxview/tests/browser/firefoxview-next/browser_firefoxview_virtual_list.js | Found an unexpected tab at the end of test run: about:firefoxview-next#history - 
[task 2023-12-18T18:14:38.475Z] 18:14:38     INFO - checking window state
[task 2023-12-18T18:14:38.491Z] 18:14:38     INFO - GECKO(3264) | Completed ShutdownLeaks collections in process 1776
[task 2023-12-18T18:14:38.491Z] 18:14:38     INFO - TEST-START | Shutdown
[task 2023-12-18T18:14:38.492Z] 18:14:38     INFO - Browser Chrome Test Summary
[task 2023-12-18T18:14:38.493Z] 18:14:38     INFO - Passed:  34
[task 2023-12-18T18:14:38.494Z] 18:14:38     INFO - Failed:  2
[task 2023-12-18T18:14:38.494Z] 18:14:38     INFO - Todo:    0
[task 2023-12-18T18:14:38.495Z] 18:14:38     INFO - Mode:    e10s
[task 2023-12-18T18:14:38.495Z] 18:14:38     INFO - *** End BrowserChrome Test Results ***
```