Bug: Intermittent TC browser/base/content/test/about/browser_aboutSupport_user_namespaces.js | Uncaught exception in setup bound setup - [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIPropertyBag2.getProperty]"  nsresult: "0x
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2024-06-28 12:06:08+00:00
Resolved: 2024-07-31 12:01:21+00:00

**Filed by:** nfay [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=464389986&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XmlVCH-pSzOArrkzct3Xgg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2024-06-28T10:34:38.519Z] 10:34:38     INFO - TEST-START | browser/base/content/test/about/browser_aboutSupport_user_namespaces.js
[task 2024-06-28T10:34:38.537Z] 10:34:38     INFO - TEST-INFO | started process screentopng
[task 2024-06-28T10:34:38.701Z] 10:34:38     INFO - TEST-INFO | screentopng: exit 0
[task 2024-06-28T10:34:38.701Z] 10:34:38     INFO - Buffered messages logged at 10:34:38
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - Entering setup bound setup
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - Buffered messages finished
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/about/browser_aboutSupport_user_namespaces.js | Uncaught exception in setup bound setup - [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIPropertyBag2.getProperty]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: chrome://mochitests/content/browser/browser/base/content/test/about/browser_aboutSupport_user_namespaces.js :: setup :: line 7"  data: no]
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - Stack trace:
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - setup@chrome://mochitests/content/browser/browser/base/content/test/about/browser_aboutSupport_user_namespaces.js:7:42
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - handleTask@chrome://mochikit/content/browser-test.js:1145:26
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1188:18
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:1358:14
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1134:14
[task 2024-06-28T10:34:38.703Z] 10:34:38     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2024-06-28T10:34:38.704Z] 10:34:38     INFO - Leaving setup bound setup
[task 2024-06-28T10:34:38.704Z] 10:34:38     INFO - Entering test bound test_user_namespaces
[task 2024-06-28T10:34:38.963Z] 10:34:38     INFO - GECKO(3149) | JavaScript warning: resource://gre/modules/Troubleshoot.sys.mjs, line 766: WebGL context was lost.
[task 2024-06-28T10:34:38.971Z] 10:34:38     INFO - GECKO(3149) | JavaScript warning: resource://gre/modules/Troubleshoot.sys.mjs, line 766: WebGL context was lost.
[task 2024-06-28T10:34:39.028Z] 10:34:39     INFO - Console message: [JavaScript Warning: "WebGL context was lost." {file: "resource://gre/modules/Troubleshoot.sys.mjs" line: 766}]
[task 2024-06-28T10:34:39.028Z] 10:34:39     INFO - Console message: [JavaScript Warning: "WebGL context was lost." {file: "resource://gre/modules/Troubleshoot.sys.mjs" line: 766}]
[task 2024-06-28T10:34:39.029Z] 10:34:39     INFO - GECKO(3149) | Uncaptured WebGPU error without device target: No suitable adapter found
[task 2024-06-28T10:34:39.040Z] 10:34:39     INFO - GECKO(3149) | Uncaptured WebGPU error without device target: No suitable adapter found
[task 2024-06-28T10:34:39.130Z] 10:34:39     INFO - GECKO(3149) | console.error: "stack of snapshot error for about:support: " (new InvalidStateError("[fluent] Missing message in locale en-US: genai-settings-chat-title", (void 0))) ": " ""
[task 2024-06-28T10:34:39.775Z] 10:34:39     INFO - GECKO(3149) | [CodeCoverage] Setting handlers for process 3464.
[task 2024-06-28T10:34:44.133Z] 10:34:44     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-06-28T10:34:44.135Z] 10:34:44     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/about/browser_aboutSupport_user_namespaces.js | User Namespaces should be loaded to table, set to false, have red background color, and have support link - 
[task 2024-06-28T10:34:44.135Z] 10:34:44     INFO - Stack trace:
[task 2024-06-28T10:34:44.135Z] 10:34:44     INFO - chrome://mochikit/content/browser-test.js:test_ok:1597
[task 2024-06-28T10:34:44.135Z] 10:34:44     INFO - chrome://mochitests/content/browser/browser/base/content/test/about/browser_aboutSupport_user_namespaces.js:test_user_namespaces/<:69
[task 2024-06-28T10:34:44.135Z] 10:34:44     INFO - resource://testing-common/BrowserTestUtils.sys.mjs:withNewTab:121
[task 2024-06-28T10:34:44.136Z] 10:34:44     INFO - chrome://mochitests/content/browser/browser/base/content/test/about/browser_aboutSupport_user_namespaces.js:test_user_namespaces:20
[task 2024-06-28T10:34:44.136Z] 10:34:44     INFO - chrome://mochikit/content/browser-test.js:handleTask:1145
[task 2024-06-28T10:34:44.136Z] 10:34:44     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1217
[task 2024-06-28T10:34:44.136Z] 10:34:44     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1358
[task 2024-06-28T10:34:44.136Z] 10:34:44     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1134
[task 2024-06-28T10:34:44.136Z] 10:34:44     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2024-06-28T10:34:44.170Z] 10:34:44     INFO - Leaving test bound test_user_namespaces
[task 2024-06-28T10:34:44.180Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] Requested flush for 3149.
[task 2024-06-28T10:34:44.524Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] flush completed.
[task 2024-06-28T10:34:44.701Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] JS flush completed.
[task 2024-06-28T10:34:44.702Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] Requested flush for 3241.
[task 2024-06-28T10:34:44.702Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] Requested flush for 3333.
[task 2024-06-28T10:34:44.702Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] Requested flush for 3247.
[task 2024-06-28T10:34:44.703Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] Requested flush for 3334.
[task 2024-06-28T10:34:44.704Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] Requested flush for 3464.
[task 2024-06-28T10:34:44.704Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] Requested flush for 3336.
[task 2024-06-28T10:34:44.705Z] 10:34:44     INFO - GECKO(3149) | [CodeCoverage] Requested flush for 3337.
[task 2024-06-28T10:34:45.023Z] 10:34:45     INFO - GECKO(3149) | [CodeCoverage] flush completed.
[task 2024-06-28T10:34:45.026Z] 10:34:45     INFO - GECKO(3149) | [CodeCoverage] JS flush completed.
[task 2024-06-28T10:34:45.335Z] 10:34:45     INFO - GECKO(3149) | [CodeCoverage] flush completed.
[task 2024-06-28T10:34:45.342Z] 10:34:45     INFO - GECKO(3149) | [CodeCoverage] JS flush completed.
[task 2024-06-28T10:34:45.680Z] 10:34:45     INFO - GECKO(3149) | [CodeCoverage] flush completed.
[task 2024-06-28T10:34:45.683Z] 10:34:45     INFO - GECKO(3149) | [CodeCoverage] JS flush completed.
[task 2024-06-28T10:34:45.989Z] 10:34:45     INFO - GECKO(3149) | [CodeCoverage] flush completed.
[task 2024-06-28T10:34:45.990Z] 10:34:45     INFO - GECKO(3149) | [CodeCoverage] JS flush completed.
[task 2024-06-28T10:34:46.301Z] 10:34:46     INFO - GECKO(3149) | [CodeCoverage] flush completed.
[task 2024-06-28T10:34:46.303Z] 10:34:46     INFO - GECKO(3149) | [CodeCoverage] JS flush completed.
[task 2024-06-28T10:34:46.614Z] 10:34:46     INFO - GECKO(3149) | [CodeCoverage] flush completed.
[task 2024-06-28T10:34:46.616Z] 10:34:46     INFO - GECKO(3149) | [CodeCoverage] JS flush completed.
[task 2024-06-28T10:34:46.923Z] 10:34:46     INFO - GECKO(3149) | [CodeCoverage] flush completed.
[task 2024-06-28T10:34:46.939Z] 10:34:46     INFO - GECKO(3149) | [CodeCoverage] JS flush completed.
[task 2024-06-28T10:34:46.947Z] 10:34:46     INFO - GECKO(3149) | MEMORY STAT vsizeMaxContiguous not supported in this build configuration.
[task 2024-06-28T10:34:46.948Z] 10:34:46     INFO - GECKO(3149) | MEMORY STAT | vsize 3902MB | residentFast 723MB | heapAllocated 255MB
[task 2024-06-28T10:34:46.948Z] 10:34:46     INFO - TEST-OK | browser/base/content/test/about/browser_aboutSupport_user_namespaces.js | took 8430ms
```