Bug: Intermittent browser/components/privatebrowsing/test/browser/browser_privatebrowsing_focus_promo.js | Focus promo is shown for allowed region - null == true - got null, expected true (operator ==)
Status: RESOLVED
Priority: P5
Resolution: FIXED
Created: 2022-05-24 00:57:02+00:00
Resolved: 2022-05-30 06:19:56+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=379046254&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/ZbelF4ouQO66TKWOAZq6Yg/runs/1/artifacts/public/logs/live_backing.log

---
```
[task 2022-05-24T00:35:50.210Z] 00:35:50     INFO - TEST-START | browser/components/privatebrowsing/test/browser/browser_privatebrowsing_focus_promo.js
[task 2022-05-24T00:35:50.300Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fa3cfff7800 == 17 [pid = 2044] [id = 145]
[task 2022-05-24T00:35:50.301Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 44 (7fa3d04eba40) [pid = 2044] [serial = 296] [outer = 0]
[task 2022-05-24T00:35:50.304Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 45 (7fa3cfff2000) [pid = 2044] [serial = 297] [outer = 7fa3d04eba40]
[task 2022-05-24T00:35:50.319Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044, Main Thread] WARNING: NS_ENSURE_TRUE(uri) failed: file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1358
[task 2022-05-24T00:35:50.351Z] 00:35:50     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7fe800792000) [pid = 2170] [serial = 262] [outer = 0] [url = about:privatebrowsing]
[task 2022-05-24T00:35:50.352Z] 00:35:50     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fe800785c00 == 2 [pid = 2170] [id = 88] [url = about:privatebrowsing]
[task 2022-05-24T00:35:50.352Z] 00:35:50     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fe80078d000 == 1 [pid = 2170] [id = 89] [url = about:privatebrowsing]
[task 2022-05-24T00:35:50.504Z] 00:35:50     INFO - GECKO(2044) | [Child 2142: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (7f0e50e95bc0) [pid = 2142] [serial = 35] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:50.643Z] 00:35:50     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (7fe80145b650) [pid = 2170] [serial = 266] [outer = 0] [url = about:privatebrowsing]
[task 2022-05-24T00:35:50.645Z] 00:35:50     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (7fe80145a260) [pid = 2170] [serial = 263] [outer = 0] [url = about:privatebrowsing]
[task 2022-05-24T00:35:50.647Z] 00:35:50     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (7fe80145b820) [pid = 2170] [serial = 257] [outer = 0] [url = about:privatebrowsing]
[task 2022-05-24T00:35:50.775Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fa3da63a000 == 18 [pid = 2044] [id = 146]
[task 2022-05-24T00:35:50.776Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 46 (7fa3d04ea9f0) [pid = 2044] [serial = 298] [outer = 0]
[task 2022-05-24T00:35:50.778Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 47 (7fa3da635c00) [pid = 2044] [serial = 299] [outer = 7fa3d04ea9f0]
[task 2022-05-24T00:35:50.840Z] 00:35:50     INFO - GECKO(2044) | [GLX] window 2200478 has VisualID 0x41
[task 2022-05-24T00:35:50.842Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044, Renderer] WARNING: robust_buffer_access_behavior marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:632
[task 2022-05-24T00:35:50.843Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044, Renderer] WARNING: Robustness supported, strategy is not LOSE_CONTEXT_ON_RESET!: file /builds/worker/checkouts/gecko/gfx/gl/GLContext.cpp:999
[task 2022-05-24T00:35:50.844Z] 00:35:50     INFO - GECKO(2044) | [Parent 2044, Renderer] WARNING: robustness marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:632
[task 2022-05-24T00:35:50.846Z] 00:35:50     INFO - GECKO(2044) | [2022-05-24T00:35:50Z WARN  webrender::device::gl] Missing optimized shader source for gpu_cache_update
[task 2022-05-24T00:35:50.854Z] 00:35:50     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fe800785800 == 2 [pid = 2170] [id = 90]
[task 2022-05-24T00:35:50.855Z] 00:35:50     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 8 (7fe80145a260) [pid = 2170] [serial = 269] [outer = 0]
[task 2022-05-24T00:35:50.855Z] 00:35:50     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 9 (7fe800785c00) [pid = 2170] [serial = 270] [outer = 7fe80145a260]
[task 2022-05-24T00:35:51.460Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa3e026b400 == 17 [pid = 2044] [id = 142] [url = about:blank]
[task 2022-05-24T00:35:51.462Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 46 (7fa3db8e9400) [pid = 2044] [serial = 263] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:51.507Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 45 (7fa3df720400) [pid = 2044] [serial = 271] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:51.509Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 44 (7fa3db8f2000) [pid = 2044] [serial = 267] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:51.528Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa3da63a400 == 16 [pid = 2044] [id = 140] [url = about:blank]
[task 2022-05-24T00:35:51.529Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa3d0420c00 == 15 [pid = 2044] [id = 135] [url = chrome://browser/content/browser.xhtml]
[task 2022-05-24T00:35:51.530Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa3c96d8800 == 14 [pid = 2044] [id = 133] [url = chrome://browser/content/browser.xhtml]
[task 2022-05-24T00:35:51.532Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa3cfff2400 == 13 [pid = 2044] [id = 131] [url = chrome://browser/content/browser.xhtml]
[task 2022-05-24T00:35:51.533Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa3c968a400 == 12 [pid = 2044] [id = 129] [url = chrome://browser/content/browser.xhtml]
[task 2022-05-24T00:35:51.534Z] 00:35:51     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa3cfff2800 == 11 [pid = 2044] [id = 144] [url = about:blank]
[task 2022-05-24T00:35:53.787Z] 00:35:53     INFO - GECKO(2044) | 1653352553786	Marionette	TRACE	Received observer notification browser-delayed-startup-finished
[task 2022-05-24T00:35:53.823Z] 00:35:53     INFO - GECKO(2044) | [Parent 2044, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp:306
[task 2022-05-24T00:35:53.845Z] 00:35:53     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 10 (7fe800784800) [pid = 2170] [serial = 271] [outer = 7fe80145a260]
[task 2022-05-24T00:35:54.035Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 43 (7fa3fd9d7600) [pid = 2044] [serial = 282] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:54.035Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 42 (7fa3fd9d7260) [pid = 2044] [serial = 286] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:54.035Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 41 (7fa3da8c46a0) [pid = 2044] [serial = 274] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:54.035Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 40 (7fa3da8c5a90) [pid = 2044] [serial = 278] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:54.103Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fe800791800 == 3 [pid = 2170] [id = 91]
[task 2022-05-24T00:35:54.104Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 11 (7fe80145bf60) [pid = 2170] [serial = 272] [outer = 0]
[task 2022-05-24T00:35:54.106Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 12 (7fe800791c00) [pid = 2170] [serial = 273] [outer = 7fe80145bf60]
[task 2022-05-24T00:35:54.144Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 13 (7fe800792400) [pid = 2170] [serial = 274] [outer = 7fe80145bf60]
[task 2022-05-24T00:35:54.206Z] 00:35:54     INFO - TEST-INFO | started process screentopng
[task 2022-05-24T00:35:54.700Z] 00:35:54     INFO - TEST-INFO | screentopng: exit 0
[task 2022-05-24T00:35:54.701Z] 00:35:54     INFO - Buffered messages logged at 00:35:50
[task 2022-05-24T00:35:54.703Z] 00:35:54     INFO - Entering test bound test_focus_promo_in_allowed_region
[task 2022-05-24T00:35:54.704Z] 00:35:54     INFO - Buffered messages finished
[task 2022-05-24T00:35:54.705Z] 00:35:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/privatebrowsing/test/browser/browser_privatebrowsing_focus_promo.js | Focus promo is shown for allowed region - null == true - got null, expected true (operator ==)
[task 2022-05-24T00:35:54.706Z] 00:35:54     INFO - Stack trace:
[task 2022-05-24T00:35:54.706Z] 00:35:54     INFO - ok@resource://specialpowers/SpecialPowersSandbox.jsm:87:21
[task 2022-05-24T00:35:54.706Z] 00:35:54     INFO - @chrome://mochitests/content/browser/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_focus_promo.js:34:7
[task 2022-05-24T00:35:54.706Z] 00:35:54     INFO - execute@resource://specialpowers/SpecialPowersSandbox.jsm:141:12
[task 2022-05-24T00:35:54.706Z] 00:35:54     INFO - _spawnTask@resource://specialpowers/SpecialPowersChild.jsm:1640:15
[task 2022-05-24T00:35:54.707Z] 00:35:54     INFO - receiveMessage@resource://specialpowers/SpecialPowersChild.jsm:298:21
[task 2022-05-24T00:35:54.707Z] 00:35:54     INFO - GECKO(2044) | JavaScript error: , line 0: AbortError: Actor 'ASRouter' destroyed before query 'PBNEWTAB_MESSAGE_REQUEST' was resolved
[task 2022-05-24T00:35:54.708Z] 00:35:54     INFO - GECKO(2044) | JavaScript error: , line 0: AbortError: Actor 'AboutPrivateBrowsing' destroyed before query 'ShouldShowSearch' was resolved
[task 2022-05-24T00:35:54.710Z] 00:35:54     INFO - GECKO(2044) | JavaScript error: , line 0: AbortError: Actor 'AboutPrivateBrowsing' destroyed before query 'ShouldShowSearchBanner' was resolved
[task 2022-05-24T00:35:54.713Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044, Compositor] WARNING: Possibly dropping task posted to updater thread: file /builds/worker/checkouts/gecko/gfx/layers/apz/src/APZUpdater.cpp:365
[task 2022-05-24T00:35:54.713Z] 00:35:54     INFO - GECKO(2044) | JavaScript error: resource:///actors/ContentSearchParent.jsm, line 664: TypeError: can't access property "addEventListener", browser is null
[task 2022-05-24T00:35:54.714Z] 00:35:54     INFO - GECKO(2044) | JavaScript error: resource:///actors/ContentSearchParent.jsm, line 664: TypeError: can't access property "addEventListener", browser is null
[task 2022-05-24T00:35:54.714Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044, Main Thread] WARNING: WebProgress Ignored: BrowsingContext is null or discarded: file /builds/worker/checkouts/gecko/dom/ipc/BrowserParent.cpp:3003
[task 2022-05-24T00:35:54.714Z] 00:35:54     INFO - Console message: [JavaScript Error: "TypeError: can't access property "addEventListener", browser is null" {file: "resource:///actors/ContentSearchParent.jsm" line: 664}]
[task 2022-05-24T00:35:54.714Z] 00:35:54     INFO - receiveMessage@resource:///actors/ContentSearchParent.jsm:664:5
[task 2022-05-24T00:35:54.714Z] 00:35:54     INFO - 
[task 2022-05-24T00:35:54.716Z] 00:35:54     INFO - Console message: [JavaScript Error: "TypeError: can't access property "addEventListener", browser is null" {file: "resource:///actors/ContentSearchParent.jsm" line: 664}]
[task 2022-05-24T00:35:54.716Z] 00:35:54     INFO - receiveMessage@resource:///actors/ContentSearchParent.jsm:664:5
[task 2022-05-24T00:35:54.716Z] 00:35:54     INFO - 
[task 2022-05-24T00:35:54.718Z] 00:35:54     INFO - Console message: [JavaScript Error: "AbortError: Actor 'ASRouter' destroyed before query 'PBNEWTAB_MESSAGE_REQUEST' was resolved"]
[task 2022-05-24T00:35:54.719Z] 00:35:54     INFO - Console message: [JavaScript Error: "AbortError: Actor 'AboutPrivateBrowsing' destroyed before query 'ShouldShowSearch' was resolved"]
[task 2022-05-24T00:35:54.721Z] 00:35:54     INFO - Console message: [JavaScript Error: "AbortError: Actor 'AboutPrivateBrowsing' destroyed before query 'ShouldShowSearchBanner' was resolved"]
[task 2022-05-24T00:35:54.722Z] 00:35:54     INFO - Leaving test bound test_focus_promo_in_allowed_region
[task 2022-05-24T00:35:54.723Z] 00:35:54     INFO - Entering test bound test_focus_promo_in_disallowed_region
[task 2022-05-24T00:35:54.724Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fa3c9618800 == 12 [pid = 2044] [id = 147]
[task 2022-05-24T00:35:54.726Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 41 (7fa3d04eaf60) [pid = 2044] [serial = 300] [outer = 0]
[task 2022-05-24T00:35:54.727Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 42 (7fa3c9614c00) [pid = 2044] [serial = 301] [outer = 7fa3d04eaf60]
[task 2022-05-24T00:35:54.729Z] 00:35:54     INFO - GECKO(2044) | [Parent 2044, Main Thread] WARNING: NS_ENSURE_TRUE(uri) failed: file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1358
[task 2022-05-24T00:35:54.730Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fe800791800 == 2 [pid = 2170] [id = 91] [url = about:privatebrowsing]
[task 2022-05-24T00:35:54.731Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (7fe80078d400) [pid = 2170] [serial = 267] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:54.733Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (7fe800787c00) [pid = 2170] [serial = 265] [outer = 0] [url = about:privatebrowsing]
[task 2022-05-24T00:35:54.734Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7fe80078e800) [pid = 2170] [serial = 268] [outer = 0] [url = about:privatebrowsing]
[task 2022-05-24T00:35:54.735Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (7fe800786000) [pid = 2170] [serial = 264] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:54.737Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (7fe800786800) [pid = 2170] [serial = 259] [outer = 0] [url = about:privatebrowsing]
[task 2022-05-24T00:35:54.738Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fe800785800 == 1 [pid = 2170] [id = 90] [url = about:privatebrowsing]
[task 2022-05-24T00:35:54.739Z] 00:35:54     INFO - GECKO(2044) | [Child 2142: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7f0e36019400) [pid = 2142] [serial = 36] [outer = 0] [url = about:blank]
[task 2022-05-24T00:35:54.940Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (7fe80145bf60) [pid = 2170] [serial = 272] [outer = 0] [url = about:privatebrowsing]
[task 2022-05-24T00:35:54.941Z] 00:35:54     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (7fe80145a260) [pid = 2170] [serial = 269] [outer = 0] [url = about:privatebrowsing]
[task 2022-05-24T00:35:55.084Z] 00:35:55     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fa3da630800 == 13 [pid = 2044] [id = 148]
[task 2022-05-24T00:35:55.086Z] 00:35:55     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 43 (7fa3d04eca90) [pid = 2044] [serial = 302] [outer = 0]
[task 2022-05-24T00:35:55.087Z] 00:35:55     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 44 (7fa3da637000) [pid = 2044] [serial = 303] [outer = 7fa3d04eca90]
[task 2022-05-24T00:35:55.138Z] 00:35:55     INFO - GECKO(2044) | [GLX] window 2200487 has VisualID 0x41
[task 2022-05-24T00:35:55.146Z] 00:35:55     INFO - GECKO(2044) | [Parent 2044, Renderer] WARNING: robust_buffer_access_behavior marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:632
[task 2022-05-24T00:35:55.146Z] 00:35:55     INFO - GECKO(2044) | [Parent 2044, Renderer] WARNING: Robustness supported, strategy is not LOSE_CONTEXT_ON_RESET!: file /builds/worker/checkouts/gecko/gfx/gl/GLContext.cpp:999
[task 2022-05-24T00:35:55.147Z] 00:35:55     INFO - GECKO(2044) | [Parent 2044, Renderer] WARNING: robustness marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:632
[task 2022-05-24T00:35:55.148Z] 00:35:55     INFO - GECKO(2044) | [2022-05-24T00:35:55Z WARN  webrender::device::gl] Missing optimized shader source for gpu_cache_update
[task 2022-05-24T00:35:55.157Z] 00:35:55     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fe800785400 == 2 [pid = 2170] [id = 92]
[task 2022-05-24T00:35:55.157Z] 00:35:55     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 7 (7fe80145a260) [pid = 2170] [serial = 275] [outer = 0]
[task 2022-05-24T00:35:55.157Z] 00:35:55     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 8 (7fe800786000) [pid = 2170] [serial = 276] [outer = 7fe80145a260]
[task 2022-05-24T00:35:55.257Z] 00:35:55     INFO - Console message: 1653352555251	addons.xpi	WARN	Addon with ID amazondotcn@search.mozilla.org already installed, older version will be disabled
[task 2022-05-24T00:35:57.623Z] 00:35:57     INFO - GECKO(2044) | 1653352557620	Marionette	TRACE	Received observer notification browser-delayed-startup-finished
[task 2022-05-24T00:35:57.685Z] 00:35:57     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 9 (7fe800787400) [pid = 2170] [serial = 277] [outer = 7fe80145a260]
[task 2022-05-24T00:35:58.036Z] 00:35:58     INFO - TEST-PASS | browser/components/privatebrowsing/test/browser/browser_privatebrowsing_focus_promo.js | Focus promo is not shown for disallowed region - true == true - 
[task 2022-05-24T00:35:58.148Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044, Compositor] WARNING: Possibly dropping task posted to updater thread: file /builds/worker/checkouts/gecko/gfx/layers/apz/src/APZUpdater.cpp:365
[task 2022-05-24T00:35:58.188Z] 00:35:58     INFO - Leaving test bound test_focus_promo_in_disallowed_region
[task 2022-05-24T00:35:58.189Z] 00:35:58     INFO - Entering test bound test_klar_promo_in_certain_regions_with_English_locale
[task 2022-05-24T00:35:58.231Z] 00:35:58     INFO - GECKO(2044) | [2022-05-24T00:35:58Z WARN  l10nregistry_ffi::env] L10nRegistry error: Missing resource in locale en-GB: branding/brand.ftl
[task 2022-05-24T00:35:58.295Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fa3c96e0000 == 14 [pid = 2044] [id = 149]
[task 2022-05-24T00:35:58.295Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 45 (7fa3d04ece30) [pid = 2044] [serial = 304] [outer = 0]
[task 2022-05-24T00:35:58.297Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 46 (7fa3cfff0c00) [pid = 2044] [serial = 305] [outer = 7fa3d04ece30]
[task 2022-05-24T00:35:58.318Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044, Main Thread] WARNING: NS_ENSURE_TRUE(uri) failed: file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1358
[task 2022-05-24T00:35:58.365Z] 00:35:58     INFO - GECKO(2044) | [2022-05-24T00:35:58Z WARN  l10nregistry_ffi::env] L10nRegistry error: Missing resource in locale en-GB: browser/search.ftl
[task 2022-05-24T00:35:58.607Z] 00:35:58     INFO - Console message: [JavaScript Warning: "Missing resource in locale en-GB: browser/search.ftl"]
[task 2022-05-24T00:35:58.621Z] 00:35:58     INFO - Console message: [JavaScript Warning: "Missing resource in locale en-GB: branding/brand.ftl"]
[task 2022-05-24T00:35:58.684Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044, Main Thread] WARNING: 'result.isErr()', file /builds/worker/checkouts/gecko/startupcache/StartupCache.cpp:662
[task 2022-05-24T00:35:58.862Z] 00:35:58     INFO - GECKO(2044) | [2022-05-24T00:35:58Z WARN  l10nregistry_ffi::env] L10nRegistry error: Missing resource in locale en-GB: browser/search.ftl
[task 2022-05-24T00:35:58.928Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fa3df71fc00 == 15 [pid = 2044] [id = 150]
[task 2022-05-24T00:35:58.928Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 47 (7fa3da8c39f0) [pid = 2044] [serial = 306] [outer = 0]
[task 2022-05-24T00:35:58.929Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 48 (7fa3df719800) [pid = 2044] [serial = 307] [outer = 7fa3da8c39f0]
[task 2022-05-24T00:35:58.980Z] 00:35:58     INFO - GECKO(2044) | [GLX] window 2200496 has VisualID 0x41
[task 2022-05-24T00:35:58.987Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044, Renderer] WARNING: robust_buffer_access_behavior marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:632
[task 2022-05-24T00:35:58.987Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044, Renderer] WARNING: Robustness supported, strategy is not LOSE_CONTEXT_ON_RESET!: file /builds/worker/checkouts/gecko/gfx/gl/GLContext.cpp:999
[task 2022-05-24T00:35:58.989Z] 00:35:58     INFO - GECKO(2044) | [Parent 2044, Renderer] WARNING: robustness marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:632
[task 2022-05-24T00:35:58.990Z] 00:35:58     INFO - GECKO(2044) | [2022-05-24T00:35:58Z WARN  webrender::device::gl] Missing optimized shader source for gpu_cache_update
[task 2022-05-24T00:35:58.995Z] 00:35:58     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fe80078d800 == 3 [pid = 2170] [id = 93]
[task 2022-05-24T00:35:58.996Z] 00:35:58     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 10 (7fe80145bf60) [pid = 2170] [serial = 278] [outer = 0]
[task 2022-05-24T00:35:58.997Z] 00:35:58     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 11 (7fe80078fc00) [pid = 2170] [serial = 279] [outer = 7fe80145bf60]
[task 2022-05-24T00:35:59.047Z] 00:35:59     INFO - GECKO(2044) | [2022-05-24T00:35:59Z WARN  l10nregistry_ffi::env] L10nRegistry error: Missing resource in locale en-GB: browser/search.ftl
[task 2022-05-24T00:35:59.080Z] 00:35:59     INFO - Console message: [JavaScript Warning: "Missing resource in locale en-GB: browser/search.ftl"]
[task 2022-05-24T00:35:59.086Z] 00:35:59     INFO - Console message: [JavaScript Warning: "Missing resource in locale en-GB: browser/search.ftl"]
[task 2022-05-24T00:35:59.143Z] 00:35:59     INFO - Console message: 1653352559133	addons.xpi	WARN	Addon with ID amazon@search.mozilla.org already installed, older version will be disabled
[task 2022-05-24T00:36:01.663Z] 00:36:01     INFO - GECKO(2044) | 1653352561662	Marionette	TRACE	Received observer notification browser-delayed-startup-finished
[task 2022-05-24T00:36:01.834Z] 00:36:01     INFO - GECKO(2044) | [Child 2170: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 12 (7fe80078cc00) [pid = 2170] [serial = 280] [outer = 7fe80145bf60]
[task 2022-05-24T00:36:01.871Z] 00:36:01     INFO - GECKO(2044) | [2022-05-24T00:36:01Z WARN  l10nregistry_ffi::env] L10nRegistry error: Missing resource in locale en-GB: branding/brand.ftl
[task 2022-05-24T00:36:02.258Z] 00:36:02     INFO - Console message: [JavaScript Warning: "Missing resource in locale en-GB: branding/brand.ftl"]
[task 2022-05-24T00:36:02.434Z] 00:36:02     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-05-24T00:36:02.434Z] 00:36:02     INFO - TEST-UNEXPECTED-FAIL | browser/components/privatebrowsing/test/browser/browser_privatebrowsing_focus_promo.js | Uncaught exception in test - at chrome://mochitests/content/browser/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_focus_promo.js:69 - TypeError: can't access property "textContent", content.document.querySelector(...) is null
[task 2022-05-24T00:36:02.434Z] 00:36:02     INFO - Stack trace:
[task 2022-05-24T00:36:02.434Z] 00:36:02     INFO - @chrome://mochitests/content/browser/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_focus_promo.js:69:45
[task 2022-05-24T00:36:02.434Z] 00:36:02     INFO - execute@resource://specialpowers/SpecialPowersSandbox.jsm:141:12
[task 2022-05-24T00:36:02.434Z] 00:36:02     INFO - _spawnTask@resource://specialpowers/SpecialPowersChild.jsm:1640:15
[task 2022-05-24T00:36:02.434Z] 00:36:02     INFO - receiveMessage@resource://specialpowers/SpecialPowersChild.jsm:298:21
[task 2022-05-24T00:36:02.434Z] 00:36:02     INFO - Leaving test bound test_klar_promo_in_certain_regions_with_English_locale
[task 2022-05-24T00:36:02.463Z] 00:36:02     INFO - GECKO(2044) | MEMORY STAT | vsize 12030MB | residentFast 747MB | heapAllocated 401MB
[task 2022-05-24T00:36:02.466Z] 00:36:02     INFO - TEST-OK | browser/components/privatebrowsing/test/browser/browser_privatebrowsing_focus_promo.js | took 12254ms
```