Bug: Perma TEST-UNEXPECTED-FAIL | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Uncaught exception in test bound test_keyboard_navigation_vertical_tabs - Two tabs are open. - timed out after 50 t when Gecko 132 merges to beta on 2024-09-30
Status: VERIFIED
Priority: P1
Resolution: FIXED
Created: 2024-09-21 14:48:12+00:00
Resolved: 2024-11-04 06:37:33+00:00

[Tracking Requested - why for this release]:

- [Central-as-beta simulation.](https://treeherder.mozilla.org/jobs?repo=try&group_state=expanded&resultStatus=testfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel%2Crunnable&revision=5e9c26ce7fbf6cc7f5c9158767a8fcee23be0ce2&test_paths=browser%2Fcomponents%2Fsidebar%2Ftests%2Fbrowser) 
- [How to run these simulations.](https://wiki.mozilla.org/Sheriffing/How_To/Beta_simulations#TRUNK_AS_EARLY_BETA)

[Failure log:](https://treeherder.mozilla.org/logviewer?job_id=475303949&repo=try&lineNumber=6140)
```
[task 2024-09-21T13:49:43.554Z] 13:49:43     INFO - TEST-START | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js
[task 2024-09-21T13:49:43.645Z] 13:49:43     INFO - GECKO(1876) | 1726926583644	RemoteAgent	TRACE	Received observer notification domwindowopened
[task 2024-09-21T13:49:43.916Z] 13:49:43     INFO - GECKO(1876) | 1726926583915	Marionette	TRACE	Received observer notification browser-delayed-startup-finished
[task 2024-09-21T13:49:53.453Z] 13:49:53     INFO - TEST-INFO | started process screencapture
[task 2024-09-21T13:49:53.835Z] 13:49:53     INFO - TEST-INFO | screencapture: exit 0
[task 2024-09-21T13:49:53.835Z] 13:49:53     INFO - Buffered messages logged at 13:49:43
[task 2024-09-21T13:49:53.836Z] 13:49:53     INFO - Entering setup bound 
[task 2024-09-21T13:49:53.836Z] 13:49:53     INFO - Leaving setup bound 
[task 2024-09-21T13:49:53.837Z] 13:49:53     INFO - Entering test bound test_keyboard_navigation
[task 2024-09-21T13:49:53.838Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | First tool button is focused. - 
[task 2024-09-21T13:49:53.838Z] 13:49:53     INFO - Press Arrow Down key.
[task 2024-09-21T13:49:53.839Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Second tool button is focused. - 
[task 2024-09-21T13:49:53.839Z] 13:49:53     INFO - Press Arrow Up key.
[task 2024-09-21T13:49:53.840Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | First tool button is focused. - 
[task 2024-09-21T13:49:53.841Z] 13:49:53     INFO - Press Enter key.
[task 2024-09-21T13:49:53.841Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Sidebar is open. - 
[task 2024-09-21T13:49:53.842Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Sidebar is showing the first tool. - 
[task 2024-09-21T13:49:53.843Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | aria-pressed is true for the active tool button. - 
[task 2024-09-21T13:49:53.843Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | aria-pressed is false for the inactive tool button. - 
[task 2024-09-21T13:49:53.844Z] 13:49:53     INFO - Press Enter key again.
[task 2024-09-21T13:49:53.844Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Sidebar is closed. - 
[task 2024-09-21T13:49:53.845Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Tool is no longer active, aria-pressed becomes false. - 
[task 2024-09-21T13:49:53.845Z] 13:49:53     INFO - Press Tab key.
[task 2024-09-21T13:49:53.846Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Customize button is focused. - 
[task 2024-09-21T13:49:53.847Z] 13:49:53     INFO - Leaving test bound test_keyboard_navigation
[task 2024-09-21T13:49:53.847Z] 13:49:53     INFO - Entering test bound test_menu_items_labeled
[task 2024-09-21T13:49:53.848Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | viewTabsSidebar button has a tooltip. - 
[task 2024-09-21T13:49:53.848Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Collapsed viewTabsSidebar button has no label. - 
[task 2024-09-21T13:49:53.849Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | viewHistorySidebar button has a tooltip. - 
[task 2024-09-21T13:49:53.850Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Collapsed viewHistorySidebar button has no label. - 
[task 2024-09-21T13:49:53.850Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | viewCustomizeSidebar button has a tooltip. - 
[task 2024-09-21T13:49:53.851Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Collapsed viewCustomizeSidebar button has no label. - 
[task 2024-09-21T13:49:53.852Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Expanded viewTabsSidebar button has a label. - 
[task 2024-09-21T13:49:53.852Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Expanded viewHistorySidebar button has a label. - 
[task 2024-09-21T13:49:53.853Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Expanded viewCustomizeSidebar button has a label. - 
[task 2024-09-21T13:49:53.853Z] 13:49:53     INFO - Leaving test bound test_menu_items_labeled
[task 2024-09-21T13:49:53.854Z] 13:49:53     INFO - Entering test bound test_keyboard_navigation_vertical_tabs
[task 2024-09-21T13:49:53.854Z] 13:49:53     INFO - Buffered messages logged at 13:49:44
[task 2024-09-21T13:49:53.855Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | First tab is focused. - 
[task 2024-09-21T13:49:53.855Z] 13:49:53     INFO - Tab to new tab button.
[task 2024-09-21T13:49:53.856Z] 13:49:53     INFO - TEST-PASS | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | New tab button is focused. - 
[task 2024-09-21T13:49:53.857Z] 13:49:53     INFO - Press Enter key.
[task 2024-09-21T13:49:53.857Z] 13:49:53     INFO - Buffered messages finished
[task 2024-09-21T13:49:53.858Z] 13:49:53     INFO - TEST-UNEXPECTED-FAIL | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | Uncaught exception in test bound test_keyboard_navigation_vertical_tabs - Two tabs are open. - timed out after 50 tries.
[task 2024-09-21T13:49:53.858Z] 13:49:53     INFO - Leaving test bound test_keyboard_navigation_vertical_tabs
[task 2024-09-21T13:49:54.370Z] 13:49:54     INFO - GECKO(1876) | MEMORY STAT vsizeMaxContiguous not supported in this build configuration.
[task 2024-09-21T13:49:54.370Z] 13:49:54     INFO - GECKO(1876) | MEMORY STAT | vsize 8020MB | residentFast 332MB | heapAllocated 152MB
[task 2024-09-21T13:49:54.371Z] 13:49:54     INFO - TEST-OK | browser/components/sidebar/tests/browser/browser_a11y_sidebar.js | took 10816ms
[task 2024-09-21T13:49:54.383Z] 13:49:54     INFO - checking window state
[task 2024-09-21T13:49:54.403Z] 13:49:54     INFO - TEST-START | browser/components/sidebar/tests/browser/browser_adopt_sidebar_from_opener.js
```