Bug: Perma browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Test timed out - when Gecko 136 merges to beta on 2025-02-03
Status: VERIFIED
Priority: P1
Resolution: FIXED
Created: 2025-01-10 15:20:08+00:00
Resolved: 2025-01-27 06:55:33+00:00

[Central-as-beta-simulation](https://treeherder.mozilla.org/jobs?repo=try&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception&revision=850d8abe72576dd73dc82b885809f0381aa7fbba)

[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=489561438&repo=try)

Failure line:
```
[task 2025-01-10T12:40:35.757Z] 12:40:35     INFO - TEST-START | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js
[task 2025-01-10T12:40:43.143Z] 12:40:43     INFO - GECKO(2585) | 1736512843142	Marionette	TRACE	Received observer notification browser-delayed-startup-finished
[task 2025-01-10T12:40:46.552Z] 12:40:46     INFO - GECKO(2585) | 1736512846551	Marionette	TRACE	Received observer notification browser-delayed-startup-finished
[task 2025-01-10T12:42:35.776Z] 12:42:35     INFO - TEST-INFO | started process screentopng
[task 2025-01-10T12:42:35.983Z] 12:42:35     INFO - TEST-INFO | screentopng: exit 0
[task 2025-01-10T12:42:35.984Z] 12:42:35     INFO - Buffered messages logged at 12:40:35
[task 2025-01-10T12:42:35.988Z] 12:42:35     INFO - Entering setup bound 
[task 2025-01-10T12:42:35.988Z] 12:42:35     INFO - Leaving setup bound 
[task 2025-01-10T12:42:35.988Z] 12:42:35     INFO - Entering test bound test_allTabsView
[task 2025-01-10T12:42:35.988Z] 12:42:35     INFO - Buffered messages logged at 12:40:39
[task 2025-01-10T12:42:35.989Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: New Tab - "New Tab" == "New Tab" - 
[task 2025-01-10T12:42:35.989Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: data:text/plain,tab5 - "data:text/plain,tab5" == "data:text/plain,tab5" - 
[task 2025-01-10T12:42:35.989Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: Test Group - "Test Group" == "Test Group" - 
[task 2025-01-10T12:42:35.989Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: data:text/plain,tab1 - "data:text/plain,tab1" == "data:text/plain,tab1" - 
[task 2025-01-10T12:42:35.989Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: data:text/plain,tab2 - "data:text/plain,tab2" == "data:text/plain,tab2" - 
[task 2025-01-10T12:42:35.989Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: Unnamed Group - "Unnamed Group" == "Unnamed Group" - 
[task 2025-01-10T12:42:35.989Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: data:text/plain,tab3 - "data:text/plain,tab3" == "data:text/plain,tab3" - 
[task 2025-01-10T12:42:35.989Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: data:text/plain,tab4 - "data:text/plain,tab4" == "data:text/plain,tab4" - 
[task 2025-01-10T12:42:35.990Z] 12:42:35     INFO - Buffered messages logged at 12:40:40
[task 2025-01-10T12:42:35.990Z] 12:42:35     INFO - Leaving test bound test_allTabsView
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - Entering test bound test_tabGroupsView
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - Buffered messages logged at 12:40:41
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | should not list tab groups that are in the same window - 0 == 0 - 
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - Buffered messages logged at 12:40:43
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | should list tab groups that are in another window - 2 == 2 - 
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | both groups should be shown as open - 2 == 2 - 
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Group 1 removed - true == true - 
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - Buffered messages logged at 12:40:44
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Both groups should be shown in groups list - 2 == 2 - 
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Saved group appears as saved - "Test Saved Group" == "Test Saved Group" - 
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Tab in group 2 is selected - "1736512841336-42" == "1736512841336-42" - 
[task 2025-01-10T12:42:35.998Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Group 1 has been restored - {"_inheritedElements":{".tab-group-label":{"_lastFormattedAccessKey":null}},"initializedAttributeInheritance":true,"_initialized":true,"createdDate":1736512844831} == true - 
[task 2025-01-10T12:42:35.999Z] 12:42:35     INFO - Buffered messages logged at 12:40:45
[task 2025-01-10T12:42:35.999Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Groups list is now empty for this window - true == true - 
[task 2025-01-10T12:42:35.999Z] 12:42:35     INFO - Buffered messages logged at 12:40:46
[task 2025-01-10T12:42:35.999Z] 12:42:35     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | context menu is initially closed - "closed" == "closed" - 
[task 2025-01-10T12:42:35.999Z] 12:42:35     INFO - Buffered messages finished
[task 2025-01-10T12:42:35.999Z] 12:42:35     INFO - TEST-UNEXPECTED-FAIL | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Test timed out - 
[task 2025-01-10T12:42:35.999Z] 12:42:35     INFO - GECKO(2585) | Completed ShutdownLeaks collections in process 2585
[task 2025-01-10T12:42:35.999Z] 12:42:35     INFO - TEST-START | Shutdown
```