Bug: Intermittent browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-08-19 03:54:43+00:00
Resolved: 2023-06-30 12:04:23+00:00

**Filed by:** ctuns [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=387826532&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/EJqtCC7CR1m5TayDkScH2A/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-08-19T01:57:30.881Z] 01:57:30     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | Should have a switch tab result - 1 == 1 - 
[task 2022-08-19T01:57:30.882Z] 01:57:30     INFO - Buffered messages finished
[task 2022-08-19T01:57:30.883Z] 01:57:30     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | Uncaught exception in test - Result a11y text is correct - timed out after 50 tries.
[task 2022-08-19T01:57:30.884Z] 01:57:30     INFO - Leaving test bound switchToTab
[task 2022-08-19T01:57:30.885Z] 01:57:30     INFO - Entering test bound searchSuggestions
[task 2022-08-19T01:57:30.886Z] 01:57:30     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:57:30.887Z] 01:57:30     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | Should get at least heuristic result + two search suggestions - 0 >= 3 - JS frame :: chrome://mochitests/content/browser/browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js :: searchSuggestions :: line 112
[task 2022-08-19T01:57:30.887Z] 01:57:30     INFO - Stack trace:
[task 2022-08-19T01:57:30.888Z] 01:57:30     INFO - chrome://mochitests/content/browser/browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js:searchSuggestions:112
[task 2022-08-19T01:57:30.889Z] 01:57:30     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:57:30.890Z] 01:57:30     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | false == true - JS frame :: chrome://mochitests/content/browser/browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js :: searchSuggestions :: line 159
[task 2022-08-19T01:57:30.891Z] 01:57:30     INFO - Stack trace:
[task 2022-08-19T01:57:30.892Z] 01:57:30     INFO - chrome://mochitests/content/browser/browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js:searchSuggestions:159
[task 2022-08-19T01:57:30.893Z] 01:57:30     INFO - Leaving test bound searchSuggestions
[task 2022-08-19T01:57:30.894Z] 01:57:30     INFO - GECKO(16193) | MEMORY STAT | vsize 20285MB | residentFast 570MB | heapAllocated 301MB
[task 2022-08-19T01:57:30.896Z] 01:57:30     INFO - TEST-OK | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | took 10292ms
[task 2022-08-19T01:57:30.897Z] 01:57:30     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:57:30.898Z] 01:57:30     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_a11y_label.js | Found an unexpected tab at the end of test run: about:robots - 
[task 2022-08-19T01:57:30.899Z] 01:57:30     INFO - checking window state
[task 2022-08-19T01:57:30.900Z] 01:57:30     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_autocomplete_autoselect.js
[task 2022-08-19T01:58:15.867Z] 01:58:15     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:58:15.867Z] 01:58:15     INFO - Buffered messages logged at 01:57:30
[task 2022-08-19T01:58:15.867Z] 01:58:15     INFO - Entering test bound 
[task 2022-08-19T01:58:15.867Z] 01:58:15     INFO - Buffered messages finished
[task 2022-08-19T01:58:15.867Z] 01:58:15     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_autoselect.js | Test timed out - 
[task 2022-08-19T01:58:15.871Z] 01:58:15     INFO - GECKO(16193) | MEMORY STAT | vsize 3898MB | residentFast 564MB | heapAllocated 297MB
[task 2022-08-19T01:58:15.872Z] 01:58:15     INFO - TEST-OK | browser/components/urlbar/tests/browser/browser_autocomplete_autoselect.js | took 45025ms
[task 2022-08-19T01:58:15.874Z] 01:58:15     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:58:15.875Z] 01:58:15     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_autoselect.js | Found a tab after previous test timed out: about:mozilla - 
[task 2022-08-19T01:58:15.904Z] 01:58:15     INFO - checking window state
[task 2022-08-19T01:58:15.923Z] 01:58:15     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_autocomplete_cursor.js
[task 2022-08-19T01:58:15.954Z] 01:58:15     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:58:15.954Z] 01:58:15     INFO - Buffered messages logged at 01:58:15
[task 2022-08-19T01:58:15.954Z] 01:58:15     INFO - Entering test bound test_windowSwitch
[task 2022-08-19T01:58:15.954Z] 01:58:15     INFO - Buffered messages finished
[task 2022-08-19T01:58:15.955Z] 01:58:15     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_autoselect.js | Uncaught exception received from previously timed out test - at chrome://mochitests/content/browser/browser/components/urlbar/tests/browser/browser_autocomplete_autoselect.js:62 - ReferenceError: registerCleanupFunction is not defined
[task 2022-08-19T01:58:15.955Z] 01:58:15     INFO - Stack trace:
[task 2022-08-19T01:58:15.955Z] 01:58:15     INFO - @chrome://mochitests/content/browser/browser/components/urlbar/tests/browser/browser_autocomplete_autoselect.js:62:3
[task 2022-08-19T01:58:15.961Z] 01:58:15     INFO - GECKO(16193) | JavaScript error: chrome://mochikit/content/browser-test.js, line 1091: TypeError: can't access property "shift", currentScope.__tasks is null
[task 2022-08-19T01:58:15.964Z] 01:58:15     INFO - Console message: [JavaScript Error: "TypeError: can't access property "shift", currentScope.__tasks is null" {file: "chrome://mochikit/content/browser-test.js" line: 1091}]
[task 2022-08-19T01:59:00.950Z] 01:59:00     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:59:00.954Z] 01:59:00     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_cursor.js | Test timed out - 
[task 2022-08-19T01:59:00.955Z] 01:59:00     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:59:00.956Z] 01:59:00     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_cursor.js | A promise chain failed to handle a rejection: can't access property "shift", currentScope.__tasks is null - stack: _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1091:13
[task 2022-08-19T01:59:00.957Z] 01:59:00     INFO - Rejection date: Fri Aug 19 2022 01:58:15 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 270
[task 2022-08-19T01:59:00.959Z] 01:59:00     INFO - Stack trace:
[task 2022-08-19T01:59:00.960Z] 01:59:00     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:270
[task 2022-08-19T01:59:00.961Z] 01:59:00     INFO - chrome://mochikit/content/browser-test.js:nextTest:663
[task 2022-08-19T01:59:00.962Z] 01:59:00     INFO - GECKO(16193) | MEMORY STAT | vsize 3898MB | residentFast 564MB | heapAllocated 297MB
[task 2022-08-19T01:59:00.962Z] 01:59:00     INFO - TEST-OK | browser/components/urlbar/tests/browser/browser_autocomplete_cursor.js | took 45036ms
[task 2022-08-19T01:59:00.964Z] 01:59:00     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:59:00.964Z] 01:59:00     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_cursor.js | Found a tab after previous test timed out: about:mozilla - 
[task 2022-08-19T01:59:01.013Z] 01:59:01     INFO - checking window state
[task 2022-08-19T01:59:01.017Z] 01:59:01     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_autocomplete_edit_completed.js
[task 2022-08-19T01:59:46.004Z] 01:59:46     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:59:46.006Z] 01:59:46     INFO - Buffered messages logged at 01:59:00
[task 2022-08-19T01:59:46.007Z] 01:59:46     INFO - Entering test bound 
[task 2022-08-19T01:59:46.008Z] 01:59:46     INFO - Buffered messages finished
[task 2022-08-19T01:59:46.009Z] 01:59:46     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_edit_completed.js | Test timed out - 
[task 2022-08-19T01:59:46.011Z] 01:59:46     INFO - GECKO(16193) | MEMORY STAT | vsize 3898MB | residentFast 561MB | heapAllocated 296MB
[task 2022-08-19T01:59:46.012Z] 01:59:46     INFO - TEST-OK | browser/components/urlbar/tests/browser/browser_autocomplete_edit_completed.js | took 45008ms
[task 2022-08-19T01:59:46.013Z] 01:59:46     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T01:59:46.014Z] 01:59:46     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_edit_completed.js | Found a tab after previous test timed out: about:blank - 
[task 2022-08-19T01:59:46.040Z] 01:59:46     INFO - checking window state
[task 2022-08-19T01:59:46.066Z] 01:59:46     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_autocomplete_enter_race.js
[task 2022-08-19T02:00:31.070Z] 02:00:31     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T02:00:31.072Z] 02:00:31     INFO - Buffered messages logged at 01:59:46
[task 2022-08-19T02:00:31.073Z] 02:00:31     INFO - Entering setup bound 
[task 2022-08-19T02:00:31.075Z] 02:00:31     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_autocomplete_enter_race.js | Setup complete - 
[task 2022-08-19T02:00:31.077Z] 02:00:31     INFO - Leaving setup bound 
[task 2022-08-19T02:00:31.079Z] 02:00:31     INFO - Entering test bound 
[task 2022-08-19T02:00:31.080Z] 02:00:31     INFO - Buffered messages finished
[task 2022-08-19T02:00:31.082Z] 02:00:31     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_enter_race.js | Test timed out - 
[task 2022-08-19T02:00:31.103Z] 02:00:31     INFO - GECKO(16193) | MEMORY STAT | vsize 3898MB | residentFast 561MB | heapAllocated 296MB
[task 2022-08-19T02:00:31.106Z] 02:00:31     INFO - TEST-OK | browser/components/urlbar/tests/browser/browser_autocomplete_enter_race.js | took 45038ms
[task 2022-08-19T02:00:31.109Z] 02:00:31     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T02:00:31.111Z] 02:00:31     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_enter_race.js | Found a tab after previous test timed out: about:blank - 
[task 2022-08-19T02:00:31.140Z] 02:00:31     INFO - checking window state
[task 2022-08-19T02:00:31.143Z] 02:00:31     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_autocomplete_no_title.js
[task 2022-08-19T02:01:16.168Z] 02:01:16     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T02:01:16.170Z] 02:01:16     INFO - Buffered messages logged at 02:00:31
[task 2022-08-19T02:01:16.171Z] 02:01:16     INFO - Entering test bound 
[task 2022-08-19T02:01:16.172Z] 02:01:16     INFO - Buffered messages finished
[task 2022-08-19T02:01:16.173Z] 02:01:16     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_no_title.js | Test timed out - 
[task 2022-08-19T02:01:16.173Z] 02:01:16     INFO - GECKO(16193) | MEMORY STAT | vsize 3898MB | residentFast 564MB | heapAllocated 299MB
[task 2022-08-19T02:01:16.174Z] 02:01:16     INFO - TEST-OK | browser/components/urlbar/tests/browser/browser_autocomplete_no_title.js | took 45032ms
[task 2022-08-19T02:01:16.175Z] 02:01:16     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-19T02:01:16.177Z] 02:01:16     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_autocomplete_no_title.js | Found a tab after previous test timed out: about:mozilla - 
[task 2022-08-19T02:01:16.212Z] 02:01:16     INFO - checking window state
[task 2022-08-19T02:01:16.222Z] 02:01:16     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_autocomplete_tag_star_visibility.js
```