Bug: Intermittent browser/components/translations/tests/browser/browser_translations_full_page_panel_flip_lexical_shortlist.js | single tracking bug
Status: NEW
Priority: P5
Created: 2025-02-21 15:29:59+00:00
Resolved: 2025-02-24 06:14:59+00:00

**Filed by:** sstanca [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=496051140&repo=try
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/DbYzVQ6VSo6WGY-PJelAjg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2025-02-21T15:03:52.724Z] 15:03:52     INFO - TEST-PASS | browser/components/translations/tests/browser/browser_translations_full_page_panel_flip_lexical_shortlist.js | undefined assertion name - 
[task 2025-02-21T15:03:52.724Z] 15:03:52     INFO - Awaiting new downloads since the active TranslationsEngine will be rebuilt.
[task 2025-02-21T15:03:52.725Z] 15:03:52     INFO - Resolving 1 mocked downloads for "test-translation-wasm-3"
[task 2025-02-21T15:03:52.725Z] 15:03:52     INFO - Resolving 3 mocked downloads for "test-translation-models-2"
[task 2025-02-21T15:03:52.726Z] 15:03:52     INFO - Buffered messages finished
[task 2025-02-21T15:03:52.727Z] 15:03:52     INFO - TEST-UNEXPECTED-FAIL | browser/components/translations/tests/browser/browser_translations_full_page_panel_flip_lexical_shortlist.js | Uncaught exception in test bound test_full_page_translations_panel_lexical_shortlist_starting_true - at chrome://mochitests/content/browser/toolkit/components/translations/tests/browser/shared-head.js:1368 - Error: An unexpected download was found, only expected 3 downloads
[task 2025-02-21T15:03:52.727Z] 15:03:52     INFO - Stack trace:
[task 2025-02-21T15:03:52.727Z] 15:03:52     INFO - downloadHandler@chrome://mochitests/content/browser/toolkit/components/translations/tests/browser/shared-head.js:1368:13
[task 2025-02-21T15:03:52.727Z] 15:03:52     INFO - async*resolvePendingDownloads@chrome://mochitests/content/browser/toolkit/components/translations/tests/browser/shared-head.js:1330:12
[task 2025-02-21T15:03:52.727Z] 15:03:52     INFO - resolveDownloads@chrome://mochitests/content/browser/toolkit/components/translations/tests/browser/shared-head.js:1127:45
[task 2025-02-21T15:03:52.728Z] 15:03:52     INFO - async*test_full_page_translations_panel_lexical_shortlist_starting_true@chrome://mochitests/content/browser/browser/components/translations/tests/browser/browser_translations_full_page_panel_flip_lexical_shortlist.js:172:11
[task 2025-02-21T15:03:52.728Z] 15:03:52     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1170:26
[task 2025-02-21T15:03:52.728Z] 15:03:52     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1242:18
[task 2025-02-21T15:03:52.728Z] 15:03:52     INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1383:14
[task 2025-02-21T15:03:52.728Z] 15:03:52     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1159:14
[task 2025-02-21T15:03:52.728Z] 15:03:52     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2025-02-21T15:03:52.728Z] 15:03:52     INFO - Leaving test bound test_full_page_translations_panel_lexical_shortlist_starting_true
[task 2025-02-21T15:03:52.729Z] 15:03:52     INFO - GECKO(1061) | MEMORY STAT | vsize 20977004MB | residentFast 2173MB
[task 2025-02-21T15:03:52.730Z] 15:03:52     INFO - TEST-OK | browser/components/translations/tests/browser/browser_translations_full_page_panel_flip_lexical_shortlist.js | took 10793ms
[task 2025-02-21T15:03:52.730Z] 15:03:52     INFO - Not taking screenshot here: see the one that was previously logged
[task 2025-02-21T15:03:52.731Z] 15:03:52     INFO - TEST-UNEXPECTED-FAIL | browser/components/translations/tests/browser/browser_translations_full_page_panel_flip_lexical_shortlist.js | Found an unexpected tab at the end of test run: https://example.com/browser/toolkit/components/translations/tests/browser/translations-tester-es.html - 
[task 2025-02-21T15:03:52.737Z] 15:03:52     INFO - checking window state
[task 2025-02-21T15:03:52.797Z] 15:03:52     INFO - TEST-START | browser/components/translations/tests/browser/browser_translations_full_page_panel_gear.js
[task 2025-02-21T15:03:53.469Z] 15:03:53     INFO - GECKO(1061) | -----------------------------------------------------
[task 2025-02-21T15:03:53.471Z] 15:03:53     INFO - GECKO(1061) | Suppressions used:
[task 2025-02-21T15:03:53.472Z] 15:03:53     INFO - GECKO(1061) |   count      bytes template
[task 2025-02-21T15:03:53.473Z] 15:03:53     INFO - GECKO(1061) |      31      16288 nsComponentManagerImpl
[task 2025-02-21T15:03:53.474Z] 15:03:53     INFO - GECKO(1061) |       2        288 libfontconfig.so
[task 2025-02-21T15:03:53.475Z] 15:03:53     INFO - GECKO(1061) | -----------------------------------------------------
[task 2025-02-21T15:03:54.318Z] 15:03:54     INFO - GECKO(1061) | -----------------------------------------------------
[task 2025-02-21T15:03:54.318Z] 15:03:54     INFO - GECKO(1061) | Suppressions used:
[task 2025-02-21T15:03:54.318Z] 15:03:54     INFO - GECKO(1061) |   count      bytes template
[task 2025-02-21T15:03:54.318Z] 15:03:54     INFO - GECKO(1061) |      31      16288 nsComponentManagerImpl
[task 2025-02-21T15:03:54.319Z] 15:03:54     INFO - GECKO(1061) |       2        288 libfontconfig.so
[task 2025-02-21T15:03:54.319Z] 15:03:54     INFO - GECKO(1061) | -----------------------------------------------------
[task 2025-02-21T15:03:54.678Z] 15:03:54     INFO - GECKO(1061) | -----------------------------------------------------
[task 2025-02-21T15:03:54.678Z] 15:03:54     INFO - GECKO(1061) | Suppressions used:
[task 2025-02-21T15:03:54.679Z] 15:03:54     INFO - GECKO(1061) |   count      bytes template
[task 2025-02-21T15:03:54.679Z] 15:03:54     INFO - GECKO(1061) |      31      16288 nsComponentManagerImpl
[task 2025-02-21T15:03:54.679Z] 15:03:54     INFO - GECKO(1061) |       2        288 libfontconfig.so
[task 2025-02-21T15:03:54.680Z] 15:03:54     INFO - GECKO(1061) |       1       9496 style::sharing::SHARING_CACHE_KEY
[task 2025-02-21T15:03:54.680Z] 15:03:54     INFO - GECKO(1061) |       1       4104 style::bloom::BLOOM_KEY
[task 2025-02-21T15:03:54.680Z] 15:03:54     INFO - GECKO(1061) | -----------------------------------------------------
[task 2025-02-21T15:05:22.814Z] 15:05:22     INFO - Not taking screenshot here: see the one that was previously logged
[task 2025-02-21T15:05:22.814Z] 15:05:22     INFO - Buffered messages logged at 15:03:52
[task 2025-02-21T15:05:22.814Z] 15:05:22     INFO - Entering test bound test_translations_panel_manage_languages
[task 2025-02-21T15:05:22.814Z] 15:05:22     INFO - Loading test page starting at url: https://example.com/browser/toolkit/components/translations/tests/browser/translations-tester-es.html
[task 2025-02-21T15:05:22.814Z] 15:05:22     INFO - Buffered messages finished
[task 2025-02-21T15:05:22.815Z] 15:05:22     INFO - TEST-UNEXPECTED-FAIL | browser/components/translations/tests/browser/browser_translations_full_page_panel_gear.js | Test timed out - 
[task 2025-02-21T15:05:22.819Z] 15:05:22     INFO - GECKO(1061) | Completed ShutdownLeaks collections in process 1061
[task 2025-02-21T15:05:22.821Z] 15:05:22     INFO - TEST-START | Shutdown
```