2018418 - Perma ccov browser/base/content/test/about/browser_aboutSupport_user_namespaces.js | single tracking bug

Status: RESOLVED DUPLICATE of bug 2018450

(Firefox :: General, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: smolnar [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=549884468&repo=mozilla-central&task=LFBIBkPmTtuqalHfBW0QXw.0
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/LFBIBkPmTtuqalHfBW0QXw/runs/0/artifacts/public/fetch/perfherder-data-fetch-content.json

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INFO - TEST-START | browser/base/content/test/about/browser_aboutSupport_user_namespaces.js
[task 2026-02-21T10:06:57.795+00:00] 10:06:57     INFO - TEST-INFO | started process screentopng
[task 2026-02-21T10:06:57.989+00:00] 10:06:57     INFO - TEST-INFO | screentopng: exit 0
[task 2026-02-21T10:06:57.990+00:00] 10:06:57     INFO - Buffered messages logged at 10:06:57
[task 2026-02-21T10:06:57.990+00:00] 10:06:57     INFO - Entering setup bound setup
[task 2026-02-21T10:06:57.991+00:00] 10:06:57     INFO - Buffered messages finished
[task 2026-02-21T10:06:57.993+00:00] 10:06:57     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/about/browser_aboutSupport_user_namespaces.js | bound setup - Uncaught exception in 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 2026-02-21T10:06:57.993+00:00] 10:06:57     INFO - setup@chrome://mochitests/content/browser/browser/base/content/test/about/browser_aboutSupport_user_namespaces.js:7:42
[task 2026-02-21T10:06:57.993+00:00] 10:06:57     INFO - handleTask@chrome://mochikit/content/browser-test.js:1302:26
[task 2026-02-21T10:06:57.993+00:00] 10:06:57     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1350:18
[task 2026-02-21T10:06:57.993+00:00] 10:06:57     INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:1539:14
[task 2026-02-21T10:06:57.993+00:00] 10:06:57     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1282:14
[task 2026-02-21T10:06:57.993+00:00] 10:06:57     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1063:13
[task 2026-02-21T10:06:57.993+00:00] 10:06:57     INFO - Leaving setup bound setup
[task 2026-02-21T10:06:57.994+00:00] 10:06:57     INFO - Entering test test_user_namespaces
[task 2026-02-21T10:06:58.092+00:00] 10:06:58     INFO - GECKO(1536) | JavaScript warning: resource://gre/modules/Troubleshoot.sys.mjs, line 743: WebGL context was lost.
[task 2026-02-21T10:06:58.114+00:00] 10:06:58     INFO - GECKO(1536) | JavaScript warning: resource://gre/modules/Troubleshoot.sys.mjs, line 743: WebGL context was lost.
[task 2026-02-21T10:06:58.115+00:00] 10:06:58     INFO - GECKO(1536) | JavaScript warning: resource://gre/modules/Troubleshoot.sys.mjs, line 807: WebGPU is disabled by blocklist.
[task 2026-02-21T10:06:58.117+00:00] 10:06:58     INFO - GECKO(1536) | JavaScript warning: resource://gre/modules/Troubleshoot.sys.mjs, line 807: WebGPU is disabled by blocklist.
[task 2026-02-21T10:06:58.134+00:00] 10:06:58     INFO - Console message: [JavaScript Warning: "WebGL context was lost." {file: "resource://gre/modules/Troubleshoot.sys.mjs" line: 743}]
[task 2026-02-21T10:06:58.135+00:00] 10:06:58     INFO - Console message: [JavaScript Warning: "WebGL context was lost." {file: "resource://gre/modules/Troubleshoot.sys.mjs" line: 743}]
[task 2026-02-21T10:06:58.136+00:00] 10:06:58     INFO - Console message: [JavaScript Warning: "WebGPU is disabled by blocklist." {file: "resource://gre/modules/Troubleshoot.sys.mjs" line: 807}]
[task 2026-02-21T10:06:58.137+00:00] 10:06:58     INFO - Console message: [JavaScript Warning: "WebGPU is disabled by blocklist." {file: "resource://gre/modules/Troubleshoot.sys.mjs" line: 807}]
[task 2026-02-21T10:07:03.223+00:00] 10:07:03     INFO - Not taking screenshot here: see the one that was previously logged
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/about/browser_aboutSupport_user_namespaces.js | test_user_namespaces - User Namespaces should be loaded to table, set to false, have red background color, and have support link
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - chrome://mochikit/content/browser-test.js:test_ok:1804
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - chrome://mochitests/content/browser/browser/base/content/test/about/browser_aboutSupport_user_namespaces.js:test_user_namespaces/<:69
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - resource://testing-common/BrowserTestUtils.sys.mjs:withNewTab:130
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - chrome://mochitests/content/browser/browser/base/content/test/about/browser_aboutSupport_user_namespaces.js:test_user_namespaces:20
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - chrome://mochikit/content/browser-test.js:handleTask:1302
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1392
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1539
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1282
[task 2026-02-21T10:07:03.225+00:00] 10:07:03     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1063
[task 2026-02-21T10:07:03.252+00:00] 10:07:03     INFO - Leaving test test_user_namespaces
[task 2026-02-21T10:07:03.605+00:00] 10:07:03     INFO - GECKO(1536) | MEMORY STAT | vsize 4199MB | residentFast 810MB | heapAllocated 354MB
[task 2026-02-21T10:07:03.606+00:00] 10:07:03     INFO - checking for open sidebars
[task 2026-02-21T10:07:03.607+00:00] 10:07:03     INFO - checking window state
[task 2026-02-21T10:07:03.607+00:00] 10:07:03     INFO - Not taking screenshot here: see the one that was previously logged
[task 2026-02-21T10:07:03.608+00:00] 10:07:03     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/about/browser_aboutSupport_user_namespaces.js | finished in 5813ms
[task 2026-02-21T10:07:03.608+00:00] 10:07:03     INFO - TEST-INFO took 5817ms
[task 2026-02-21T10:07:03.640+00:00] 10:07:03     INFO - TEST-START | browser/base/content/test/about/browser_bug2008464.js