Bug: Intermittent browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: FIXED
Created: 2023-05-08 21:52:32+00:00
Resolved: 2023-07-10 06:00:30+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=414966444&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fmK281wuR3uvcKaPUnB49A/runs/0/artifacts/public/logs/live_backing.log
**Reftest URL:** https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fmK281wuR3uvcKaPUnB49A/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2023-05-08T20:50:12.047Z] 20:50:12     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Found the <panel-list>. - {} == true - 
[task 2023-05-08T20:50:12.047Z] 20:50:12     INFO - Buffered messages finished
[task 2023-05-08T20:50:12.048Z] 20:50:12     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Panel should be tightly anchored to the bottom of the button shadow node. - -413.9666748046875 == 0 - got -413.9666748046875, expected 0 (operator ==)
[task 2023-05-08T20:50:12.048Z] 20:50:12     INFO - Stack trace:
[task 2023-05-08T20:50:12.048Z] 20:50:12     INFO - @chrome://mochitests/content/browser/browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js:535:14
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - async*execute@resource://specialpowers/SpecialPowersSandbox.sys.mjs:139:12
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - _spawnTask@resource://specialpowers/SpecialPowersChild.sys.mjs:1648:15
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - receiveMessage@resource://specialpowers/SpecialPowersChild.sys.mjs:261:21
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - JSActor query*receiveMessage@resource://specialpowers/SpecialPowersParent.sys.mjs:1388:14
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - JSActor query*spawn@resource://specialpowers/SpecialPowersChild.sys.mjs:1579:17
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - test_aboutwelcome_embedded_migration@chrome://mochitests/content/browser/browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js:478:23
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1133:26
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1205:18
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1347:14
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1116:14
[task 2023-05-08T20:50:12.049Z] 20:50:12     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1056:13
[task 2023-05-08T20:50:12.050Z] 20:50:12     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Should have sent telemetry for clicking the 'Import' button. - true == true - 
[task 2023-05-08T20:50:12.050Z] 20:50:12     INFO - GECKO(1594) | console.debug: AboutWelcomeParent:
[task 2023-05-08T20:50:12.050Z] 20:50:12     INFO - GECKO(1594) |   Received content event: AWPage:TELEMETRY_EVENT
[task 2023-05-08T20:50:12.967Z] 20:50:12     INFO - GECKO(1594) | console.debug: AboutWelcomeParent:
[task 2023-05-08T20:50:12.967Z] 20:50:12     INFO - GECKO(1594) |   Received content event: AWPage:EVALUATE_SCREEN_TARGETING
[task 2023-05-08T20:50:12.976Z] 20:50:12     INFO - GECKO(1594) | console.debug: AboutWelcomeParent:
[task 2023-05-08T20:50:12.976Z] 20:50:12     INFO - GECKO(1594) |   Received content event: AWPage:TELEMETRY_EVENT
[task 2023-05-08T20:50:12.977Z] 20:50:12     INFO - GECKO(1594) | console.debug: AboutWelcomeParent:
[task 2023-05-08T20:50:12.979Z] 20:50:12     INFO - GECKO(1594) |   Received content event: AWPage:ADD_SCREEN_IMPRESSION
[task 2023-05-08T20:50:13.023Z] 20:50:13     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Should have sent telemetry for clicking the 'Continue' button. - true == true - 
[task 2023-05-08T20:50:13.236Z] 20:50:13     INFO - GECKO(1594) | console.debug: AboutWelcomeParent:
[task 2023-05-08T20:50:13.236Z] 20:50:13     INFO - GECKO(1594) |   Terminate reason is welcome-tab-closed
[task 2023-05-08T20:50:13.269Z] 20:50:13     INFO - Leaving test bound test_aboutwelcome_embedded_migration
[task 2023-05-08T20:50:13.828Z] 20:50:13     INFO - GECKO(1594) | MEMORY STAT vsizeMaxContiguous not supported in this build configuration.
[task 2023-05-08T20:50:13.829Z] 20:50:13     INFO - GECKO(1594) | MEMORY STAT | vsize 7877MB | residentFast 310MB | heapAllocated 142MB
[task 2023-05-08T20:50:13.829Z] 20:50:13     INFO - TEST-OK | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | took 18573ms
[task 2023-05-08T20:50:13.903Z] 20:50:13     INFO - checking window state
[task 2023-05-08T20:50:14.126Z] 20:50:14     INFO - GECKO(1594) | Completed ShutdownLeaks collections in process 1594
[task 2023-05-08T20:50:14.127Z] 20:50:14     INFO - TEST-START | Shutdown
[task 2023-05-08T20:50:14.127Z] 20:50:14     INFO - Browser Chrome Test Summary
[task 2023-05-08T20:50:14.128Z] 20:50:14     INFO - Passed:  27
[task 2023-05-08T20:50:14.128Z] 20:50:14     INFO - Failed:  1
[task 2023-05-08T20:50:14.129Z] 20:50:14     INFO - Todo:    0
[task 2023-05-08T20:50:14.129Z] 20:50:14     INFO - Mode:    e10s
[task 2023-05-08T20:50:14.130Z] 20:50:14     INFO - *** End BrowserChrome Test Results ***
```