Bug: Intermittent browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | single tracking bug
Status: RESOLVED
Priority: P2
Resolution: FIXED
Created: 2024-07-01 18:07:57+00:00
Resolved: 2025-02-03 19:48:42+00:00

**Filed by:** pstanciu [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=464728515&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Cs6gOOA1S7S2Lb3g34_dcw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2024-07-01T17:16:04.084Z] 17:16:04     INFO - TEST-START | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js
[task 2024-07-01T17:16:25.041Z] 17:16:25     INFO - TEST-INFO | started process screenshot
[task 2024-07-01T17:16:25.369Z] 17:16:25     INFO - TEST-INFO | screenshot: exit 0
[task 2024-07-01T17:16:25.370Z] 17:16:25     INFO - Buffered messages logged at 17:16:04
[task 2024-07-01T17:16:25.375Z] 17:16:25     INFO - Entering setup bound 
[task 2024-07-01T17:16:25.375Z] 17:16:25     INFO - Leaving setup bound 
[task 2024-07-01T17:16:25.375Z] 17:16:25     INFO - Entering test bound test_aboutwelcome_mr_template_telemetry
[task 2024-07-01T17:16:25.375Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | 1 Stub was called - 1 >= 1 - 
[task 2024-07-01T17:16:25.375Z] 17:16:25     INFO - Call #0: AWPage:TELEMETRY_EVENT {"event":"CLICK_BUTTON","event_context":{"source":"secondary_button","page":"about:welcome"},"message_id":"MR_WELCOME_DEFAULT_0_AW_EASY_SETUP_NEEDS_DEFAULT_AND_PIN"}
[task 2024-07-01T17:16:25.376Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Telemetry includes MR message id - true == true - 
[task 2024-07-01T17:16:25.376Z] 17:16:25     INFO - Leaving test bound test_aboutwelcome_mr_template_telemetry
[task 2024-07-01T17:16:25.378Z] 17:16:25     INFO - Entering test bound test_aboutwelcome_easy_setup_screen_impression
[task 2024-07-01T17:16:25.378Z] 17:16:25     INFO - Buffered messages logged at 17:16:05
[task 2024-07-01T17:16:25.379Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.379Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | 3 impressionSpy was called - 3 >= 1 - 
[task 2024-07-01T17:16:25.383Z] 17:16:25     INFO - Call #0:  {"event":"SESSION_END","event_context":{"reason":"welcome-tab-closed","page":"about:welcome"},"message_id":"MR_WELCOME_DEFAULT"}
[task 2024-07-01T17:16:25.383Z] 17:16:25     INFO - Call #1:  {"event":"IMPRESSION","event_context":{"domComplete":43,"domInteractive":36,"mountStart":35,"domState":"complete","source":"aboutwelcome-default","page":"about:welcome"},"message_id":"MR_WELCOME_DEFAULT"}
[task 2024-07-01T17:16:25.384Z] 17:16:25     INFO - Call #2:  {"event":"IMPRESSION","event_context":{"screen_family":"MR_WELCOME_DEFAULT","screen_index":0,"screen_id":"AW_EASY_SETUP_NEEDS_DEFAULT_AND_PIN","screen_initials":"EG","page":"about:welcome"},"message_id":"MR_WELCOME_DEFAULT_0_AW_EASY_SETUP_NEEDS_DEFAULT_AND_PIN_EG"}
[task 2024-07-01T17:16:25.384Z] 17:16:25     INFO - Screen Impression Call #2:  {"event":"IMPRESSION","event_context":{"screen_family":"MR_WELCOME_DEFAULT","screen_index":0,"screen_id":"AW_EASY_SETUP_NEEDS_DEFAULT_AND_PIN","screen_initials":"EG","page":"about:welcome"},"message_id":"MR_WELCOME_DEFAULT_0_AW_EASY_SETUP_NEEDS_DEFAULT_AND_PIN_EG"}
[task 2024-07-01T17:16:25.384Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Impression telemetry includes correct message id - true == true - 
[task 2024-07-01T17:16:25.385Z] 17:16:25     INFO - Leaving test bound test_aboutwelcome_easy_setup_screen_impression
[task 2024-07-01T17:16:25.385Z] 17:16:25     INFO - Entering test bound test_aboutwelcome_gratitude
[task 2024-07-01T17:16:25.385Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render button[value='secondary_button'] in doesn't render secondary button on gratitude screen - true == true - 
[task 2024-07-01T17:16:25.386Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.387Z] 17:16:25     INFO - Buffered messages logged at 17:16:07
[task 2024-07-01T17:16:25.388Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render main.AW_GRATITUDE in home - true == true - 
[task 2024-07-01T17:16:25.388Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to about:home - "about:home" == "about:home" - 
[task 2024-07-01T17:16:25.390Z] 17:16:25     INFO - Leaving test bound test_aboutwelcome_gratitude
[task 2024-07-01T17:16:25.390Z] 17:16:25     INFO - Entering test bound test_aboutwelcome_embedded_migration
[task 2024-07-01T17:16:25.393Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.396Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Selection page is being shown in the migration wizard. - true == true - 
[task 2024-07-01T17:16:25.396Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Found the <panel-list>. - {} == true - 
[task 2024-07-01T17:16:25.396Z] 17:16:25     INFO - Console message: [JavaScript Warning: "MouseEvent.mozInputSource is deprecated. Use PointerEvent.pointerType instead." {file: "chrome://browser/content/migration/migration-wizard.mjs" line: 1527}]
[task 2024-07-01T17:16:25.396Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Panel should be tightly anchored to the bottom of the button shadow node. - true == true - 
[task 2024-07-01T17:16:25.396Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should have sent telemetry for clicking the 'Import' button. - true == true - 
[task 2024-07-01T17:16:25.396Z] 17:16:25     INFO - Buffered messages logged at 17:16:08
[task 2024-07-01T17:16:25.397Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should have sent telemetry for clicking the 'Continue' button. - true == true - 
[task 2024-07-01T17:16:25.397Z] 17:16:25     INFO - Buffered messages logged at 17:16:09
[task 2024-07-01T17:16:25.399Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | "page-selection" == "page-selection" - 
[task 2024-07-01T17:16:25.399Z] 17:16:25     INFO - Leaving test bound test_aboutwelcome_embedded_migration
[task 2024-07-01T17:16:25.403Z] 17:16:25     INFO - Entering test bound test_aboutwelcome_multiselect
[task 2024-07-01T17:16:25.404Z] 17:16:25     INFO - Buffered messages logged at 17:16:10
[task 2024-07-01T17:16:25.404Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-2:checked in renders default screen - true == true - 
[task 2024-07-01T17:16:25.404Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-3:checked in renders default screen - true == true - 
[task 2024-07-01T17:16:25.404Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.404Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-1:checked in renders radio button selection - true == true - 
[task 2024-07-01T17:16:25.404Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-2:checked in renders radio button selection - true == true - 
[task 2024-07-01T17:16:25.406Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.406Z] 17:16:25     INFO - Buffered messages logged at 17:16:11
[task 2024-07-01T17:16:25.407Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | .multi-select-container should have computed flexDirection of column - "column" == "column" - 
[task 2024-07-01T17:16:25.408Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | .multi-select-container should have computed alignItems of flex-start - "flex-start" == "flex-start" - 
[task 2024-07-01T17:16:25.408Z] 17:16:25     INFO - Buffered messages logged at 17:16:12
[task 2024-07-01T17:16:25.409Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-2:checked in renders screen 2 - true == true - 
[task 2024-07-01T17:16:25.410Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-3:checked in renders screen 2 - true == true - 
[task 2024-07-01T17:16:25.411Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.411Z] 17:16:25     INFO - Buffered messages logged at 17:16:13
[task 2024-07-01T17:16:25.412Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #checkbox-1:checked in renders checkbox and radio button selection - true == true - 
[task 2024-07-01T17:16:25.414Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #checkbox-2:checked in renders checkbox and radio button selection - true == true - 
[task 2024-07-01T17:16:25.416Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-1:checked in renders checkbox and radio button selection - true == true - 
[task 2024-07-01T17:16:25.420Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.422Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | .multi-select-container should have computed flexDirection of row - "row" == "row" - 
[task 2024-07-01T17:16:25.422Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | .multi-select-container should have computed gap of 24px - "24px" == "24px" - 
[task 2024-07-01T17:16:25.422Z] 17:16:25     INFO - Buffered messages logged at 17:16:14
[task 2024-07-01T17:16:25.423Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-1:checked in renders screen 1 and remembers selection - true == true - 
[task 2024-07-01T17:16:25.424Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-2:checked in renders screen 1 and remembers selection - true == true - 
[task 2024-07-01T17:16:25.427Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.427Z] 17:16:25     INFO - Buffered messages logged at 17:16:15
[task 2024-07-01T17:16:25.427Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #checkbox-1:checked in renders screen 2 and remembers selection - true == true - 
[task 2024-07-01T17:16:25.427Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #checkbox-2:checked in renders screen 2 and remembers selection - true == true - 
[task 2024-07-01T17:16:25.427Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-1:checked in renders screen 2 and remembers selection - true == true - 
[task 2024-07-01T17:16:25.428Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.428Z] 17:16:25     INFO - Buffered messages logged at 17:16:17
[task 2024-07-01T17:16:25.433Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-2:checked in renders screen 3 - true == true - 
[task 2024-07-01T17:16:25.434Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-3:checked in renders screen 3 - true == true - 
[task 2024-07-01T17:16:25.434Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.434Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-1:checked in renders radio button selection without removing checkbox selection - true == true - 
[task 2024-07-01T17:16:25.435Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Should not render #radio-2:checked in renders radio button selection without removing checkbox selection - true == true - 
[task 2024-07-01T17:16:25.435Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:25.436Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | .multi-select-container should have computed flexDirection of column - "column" == "column" - 
[task 2024-07-01T17:16:25.437Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | .multi-select-container should have computed flexShrink of 1 - "1" == 1 - 
[task 2024-07-01T17:16:25.438Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | .multi-select-container should have computed justifyContent of flex-start - "flex-start" == "flex-start" - 
[task 2024-07-01T17:16:25.438Z] 17:16:25     INFO - Buffered messages logged at 17:16:18
[task 2024-07-01T17:16:25.439Z] 17:16:25     INFO - Leaving test bound test_aboutwelcome_multiselect
[task 2024-07-01T17:16:25.440Z] 17:16:25     INFO - Entering test bound test_AWMultistage_newtab_urlbar_focus
[task 2024-07-01T17:16:25.441Z] 17:16:25     INFO - Buffered messages logged at 17:16:19
[task 2024-07-01T17:16:25.442Z] 17:16:25     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | focus should be on url bar - true == true - 
[task 2024-07-01T17:16:25.444Z] 17:16:25     INFO - Leaving test bound test_AWMultistage_newtab_urlbar_focus
[task 2024-07-01T17:16:25.444Z] 17:16:25     INFO - Buffered messages finished
[task 2024-07-01T17:16:25.445Z] 17:16:25     INFO - TEST-UNEXPECTED-FAIL | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | waiting for vsync to be disabled - timed out after 50 tries. - false == true - 
[task 2024-07-01T17:16:25.445Z] 17:16:25     INFO - Stack trace:
[task 2024-07-01T17:16:25.445Z] 17:16:25     INFO - chrome://mochikit/content/browser-test.js:ensureVsyncDisabled:607
[task 2024-07-01T17:16:25.445Z] 17:16:25     INFO - chrome://mochikit/content/browser-test.js:nextTest:782
[task 2024-07-01T17:16:25.445Z] 17:16:25     INFO - chrome://mochikit/content/browser-test.js:testScope/test_finish/<:1811
[task 2024-07-01T17:16:25.445Z] 17:16:25     INFO - chrome://mochikit/content/browser-test.js:run:1731
[task 2024-07-01T17:16:25.446Z] 17:16:25     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-07-01T17:16:25.447Z] 17:16:25     INFO - TEST-UNEXPECTED-FAIL | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | vsync remained enabled at the end of the test. Is there an animation still running? Consider talking to the performance team for tips to solve this. - false == true - 
[task 2024-07-01T17:16:25.447Z] 17:16:25     INFO - Stack trace:
[task 2024-07-01T17:16:25.447Z] 17:16:25     INFO - chrome://mochikit/content/browser-test.js:ensureVsyncDisabled:608
[task 2024-07-01T17:16:25.447Z] 17:16:25     INFO - chrome://mochikit/content/browser-test.js:nextTest:782
[task 2024-07-01T17:16:25.447Z] 17:16:25     INFO - chrome://mochikit/content/browser-test.js:testScope/test_finish/<:1811
[task 2024-07-01T17:16:25.447Z] 17:16:25     INFO - chrome://mochikit/content/browser-test.js:run:1731
[task 2024-07-01T17:16:25.448Z] 17:16:25     INFO - GECKO(2812) | MEMORY STAT | vsize 1002MB | vsizeMaxContiguous 1293MB | residentFast 275MB | heapAllocated 113MB
[task 2024-07-01T17:16:25.449Z] 17:16:25     INFO - TEST-OK | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_mr.js | took 20978ms
[task 2024-07-01T17:16:25.449Z] 17:16:25     INFO - checking window state
[task 2024-07-01T17:16:25.450Z] 17:16:25     INFO - TEST-START | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js
[task 2024-07-01T17:16:32.900Z] 17:16:32     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-07-01T17:16:32.900Z] 17:16:32     INFO - Buffered messages logged at 17:16:25
[task 2024-07-01T17:16:32.901Z] 17:16:32     INFO - Entering test bound test_multistage_aboutwelcome_transitions
[task 2024-07-01T17:16:32.902Z] 17:16:32     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | Should not render div.proton.transition-out in multistage proton step 1 - true == true - 
[task 2024-07-01T17:16:32.903Z] 17:16:32     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:32.903Z] 17:16:32     INFO - Buffered messages logged at 17:16:26
[task 2024-07-01T17:16:32.904Z] 17:16:32     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:32.905Z] 17:16:32     INFO - Leaving test bound test_multistage_aboutwelcome_transitions
[task 2024-07-01T17:16:32.905Z] 17:16:32     INFO - Entering test bound test_multistage_aboutwelcome_transitions_off
[task 2024-07-01T17:16:32.906Z] 17:16:32     INFO - Buffered messages logged at 17:16:27
[task 2024-07-01T17:16:32.906Z] 17:16:32     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | Should not render div.proton.transition-out in multistage proton step 1 - true == true - 
[task 2024-07-01T17:16:32.907Z] 17:16:32     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:32.908Z] 17:16:32     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | Should not render div.proton.transition-out .screen-0 in multistage proton step 1 no transition to 2 - true == true - 
[task 2024-07-01T17:16:32.908Z] 17:16:32     INFO - TEST-PASS | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2024-07-01T17:16:32.909Z] 17:16:32     INFO - Leaving test bound test_multistage_aboutwelcome_transitions_off
[task 2024-07-01T17:16:32.910Z] 17:16:32     INFO - Buffered messages finished
[task 2024-07-01T17:16:32.910Z] 17:16:32     INFO - TEST-UNEXPECTED-FAIL | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | waiting for vsync to be disabled - timed out after 50 tries. - false == true - 
[task 2024-07-01T17:16:32.910Z] 17:16:32     INFO - Stack trace:
[task 2024-07-01T17:16:32.910Z] 17:16:32     INFO - chrome://mochikit/content/browser-test.js:ensureVsyncDisabled:607
[task 2024-07-01T17:16:32.911Z] 17:16:32     INFO - chrome://mochikit/content/browser-test.js:nextTest:782
[task 2024-07-01T17:16:32.911Z] 17:16:32     INFO - chrome://mochikit/content/browser-test.js:testScope/test_finish/<:1811
[task 2024-07-01T17:16:32.911Z] 17:16:32     INFO - chrome://mochikit/content/browser-test.js:run:1731
[task 2024-07-01T17:16:32.911Z] 17:16:32     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-07-01T17:16:32.912Z] 17:16:32     INFO - TEST-UNEXPECTED-FAIL | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | vsync remained enabled at the end of the test. Is there an animation still running? Consider talking to the performance team for tips to solve this. - false == true - 
[task 2024-07-01T17:16:32.912Z] 17:16:32     INFO - Stack trace:
[task 2024-07-01T17:16:32.912Z] 17:16:32     INFO - chrome://mochikit/content/browser-test.js:ensureVsyncDisabled:608
[task 2024-07-01T17:16:32.912Z] 17:16:32     INFO - chrome://mochikit/content/browser-test.js:nextTest:782
[task 2024-07-01T17:16:32.912Z] 17:16:32     INFO - chrome://mochikit/content/browser-test.js:testScope/test_finish/<:1811
[task 2024-07-01T17:16:32.912Z] 17:16:32     INFO - chrome://mochikit/content/browser-test.js:run:1731
[task 2024-07-01T17:16:32.914Z] 17:16:32     INFO - GECKO(2812) | MEMORY STAT | vsize 997MB | vsizeMaxContiguous 1293MB | residentFast 276MB | heapAllocated 114MB
[task 2024-07-01T17:16:32.914Z] 17:16:32     INFO - TEST-OK | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_transitions.js | took 7830ms
[task 2024-07-01T17:16:32.926Z] 17:16:32     INFO - checking window state
[task 2024-07-01T17:16:32.933Z] 17:16:32     INFO - TEST-START | browser/components/aboutwelcome/tests/browser/browser_aboutwelcome_multistage_video.js

```