Bug: Intermittent browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | single tracking bug
Status: NEW
Priority: P5
Created: 2024-12-21 00:13:28+00:00
Resolved: 2025-03-03 06:33:36+00:00

**Filed by:** amarc [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=487824329&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/JMsdxN6CR1mtPKSq8CYlhQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2024-12-20T22:33:58.429Z] 22:33:58     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: New Tab - "New Tab" == "New Tab" - 
[task 2024-12-20T22:33:58.430Z] 22:33:58     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 2024-12-20T22:33:58.430Z] 22:33:58     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: Test Group - "Test Group" == "Test Group" - 
[task 2024-12-20T22:33:58.430Z] 22:33:58     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 2024-12-20T22:33:58.430Z] 22:33:58     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 2024-12-20T22:33:58.430Z] 22:33:58     INFO - Buffered messages finished
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - TEST-UNEXPECTED-FAIL | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: Unnamed Group - "data:text/plain,tab3" == "Unnamed Group" - 
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - Stack trace:
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochitests/content/browser/browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js:test_allTabsView/<:73
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochitests/content/browser/browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js:test_allTabsView:72
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/browser-test.js:handleTask:1147
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1219
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1360
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1136
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - TEST-UNEXPECTED-FAIL | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Expected: data:text/plain,tab3 - "data:text/plain,tab4" == "data:text/plain,tab3" - 
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - Stack trace:
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochitests/content/browser/browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js:test_allTabsView/<:73
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochitests/content/browser/browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js:test_allTabsView:72
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/browser-test.js:handleTask:1147
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1219
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1360
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1136
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - Leaving test bound test_allTabsView
[task 2024-12-20T22:33:58.431Z] 22:33:58     INFO - Entering test bound test_tabGroupsView
[task 2024-12-20T22:33:58.510Z] 22:33:58     INFO - GECKO(6130) | 1734734038510	Marionette	TRACE	Received observer notification browser-delayed-startup-finished
[task 2024-12-20T22:33:58.594Z] 22:33:58     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Both groups shown in groups list - 2 == 2 - 
[task 2024-12-20T22:33:58.595Z] 22:33:58     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Neither group is shown as saved - true == true - 
[task 2024-12-20T22:33:58.599Z] 22:33:58     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Group 1 removed - true == true - 
[task 2024-12-20T22:33:58.632Z] 22:33:58     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Both groups shown in groups list - 2 == 2 - 
[task 2024-12-20T22:33:58.633Z] 22:33:58     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 2024-12-20T22:33:58.644Z] 22:33:58     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_manager_groups.js | Tab in group 2 is selected - "1734734038407-65" == "1734734038407-65" - 
[task 2024-12-20T22:33:58.712Z] 22:33:58     INFO - GECKO(6130) | console.error: (new TypeError("can't access property \"QueryInterface\", aWindow.docShell is null", "resource://gre/modules/PrivateBrowsingUtils.sys.mjs", 50))
[task 2024-12-20T22:33:58.712Z] 22:33:58     INFO - GECKO(6130) | console.error: (new InvalidStateError("JSWindowActorParent.sendAsyncMessage: JSWindowActorParent cannot send at the moment", (void 0), 537))
[task 2024-12-20T22:33:58.732Z] 22:33:58     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":1734734038729,"_tabsChangedObserver":{}} == true - 
[task 2024-12-20T22:33:58.746Z] 22:33:58     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 2024-12-20T22:33:58.760Z] 22:33:58     INFO - Leaving test bound test_tabGroupsView
```