Bug: Intermittent browser/components/pioneer/test/browser/browser_ion_ui.js,browser_pioneer_ui.js | Test timed out - | Found a tab after previous test timed out: about:pioneer -
Status: RESOLVED
Priority: P1
Resolution: FIXED
Created: 2020-09-11 14:30:08+00:00
Resolved: 2021-03-16 15:45:55+00:00

**Filed by:** btara [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=315449981&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/avW9ZYoHQnylEW-CTpf6Ew/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/avW9ZYoHQnylEW-CTpf6Ew/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

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```
```
[task 2020-09-11T12:40:41.702Z] 12:40:41     INFO - TEST-START | browser/components/pioneer/test/browser/browser_pioneer_ui.js
[task 2020-09-11T12:40:42.101Z] 12:40:42     INFO - GECKO(1477) | console.error: "Could not install default add-on pioneer-v2-bad-default-example@mozilla.org"
[task 2020-09-11T12:41:26.706Z] 12:41:26     INFO - TEST-INFO | started process screentopng
[task 2020-09-11T12:41:26.976Z] 12:41:26     INFO - TEST-INFO | screentopng: exit 0
[task 2020-09-11T12:41:26.977Z] 12:41:26     INFO - <snipped 31 output lines - if you need more context, please use SimpleTest.requestCompleteLog() in your test>
[task 2020-09-11T12:41:26.977Z] 12:41:26     INFO - Buffered messages logged at 12:40:42
[task 2020-09-11T12:41:26.978Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | Before study enrollment, join button is enabled. - 
[task 2020-09-11T12:41:26.978Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | Join consent text matches remote settings data. - 
[task 2020-09-11T12:41:26.979Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | After canceling study enrollment, join button is enabled. - 
[task 2020-09-11T12:41:26.979Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | After study enrollment, join button is now leave button - 
[task 2020-09-11T12:41:26.979Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | After study enrollment, leave button is enabled. - 
[task 2020-09-11T12:41:26.980Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | Leave consent text matches remote settings data. - 
[task 2020-09-11T12:41:26.980Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | After canceling study leave, leave/join button is enabled. - 
[task 2020-09-11T12:41:26.980Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | After leaving study, join button is disabled. - 
[task 2020-09-11T12:41:26.981Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | Correct add-on was uninstalled - 
[task 2020-09-11T12:41:26.982Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | after canceling unenrollment, Pioneer pref is still set. - 
[task 2020-09-11T12:41:26.983Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | after accepting unenrollment, Pioneer pref is null. - 
[task 2020-09-11T12:41:26.983Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | after unenrollment, Pioneer toolbar button is hidden. - 
[task 2020-09-11T12:41:26.984Z] 12:41:26     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | ping is of expected type pioneer-study - 
...
[task 2020-09-11T12:41:27.034Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | ping is of expected type pioneer-study - 
[task 2020-09-11T12:41:27.034Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | each test add-on has sent a deletion ping - 
[task 2020-09-11T12:41:27.035Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | After unenrollment, join button is disabled. - 
[task 2020-09-11T12:41:27.035Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | each test add-on has sent a deletion ping - 
[task 2020-09-11T12:41:27.035Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | There is no join button for default study. - 
[task 2020-09-11T12:41:27.036Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | each test add-on has sent a deletion ping - 
[task 2020-09-11T12:41:27.036Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | After unenrollment, join button is disabled. - 
[task 2020-09-11T12:41:27.037Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | each test add-on has sent a deletion ping - 
[task 2020-09-11T12:41:27.037Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | After unenrollment, join button is disabled. - 
[task 2020-09-11T12:41:27.038Z] 12:41:27     INFO - Leaving test bound testAboutPage
[task 2020-09-11T12:41:27.038Z] 12:41:27     INFO - Entering test bound testEnrollmentPings
[task 2020-09-11T12:41:27.039Z] 12:41:27     INFO - Buffered messages logged at 12:40:43
[task 2020-09-11T12:41:27.039Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | before enrollment, Pioneer pref is null. - 
[task 2020-09-11T12:41:27.039Z] 12:41:27     INFO - TEST-PASS | browser/components/pioneer/test/browser/browser_pioneer_ui.js | after enrollment, Pioneer pref is set. - 
[task 2020-09-11T12:41:27.040Z] 12:41:27     INFO - Buffered messages finished
[task 2020-09-11T12:41:27.040Z] 12:41:27     INFO - TEST-UNEXPECTED-FAIL | browser/components/pioneer/test/browser/browser_pioneer_ui.js | Test timed out - 
[task 2020-09-11T12:41:27.040Z] 12:41:27     INFO - GECKO(1477) | MEMORY STAT | vsize 3178MB | residentFast 343MB | heapAllocated 104MB
[task 2020-09-11T12:41:27.041Z] 12:41:27     INFO - TEST-OK | browser/components/pioneer/test/browser/browser_pioneer_ui.js | took 45028ms
[task 2020-09-11T12:41:27.041Z] 12:41:27     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-09-11T12:41:27.042Z] 12:41:27     INFO - TEST-UNEXPECTED-FAIL | browser/components/pioneer/test/browser/browser_pioneer_ui.js | Found a tab after previous test timed out: about:pioneer - 
[task 2020-09-11T12:41:27.042Z] 12:41:27     INFO - checking window state
[task 2020-09-11T12:41:27.043Z] 12:41:27     INFO - GECKO(1477) | Completed ShutdownLeaks collections in process 1477
[task 2020-09-11T12:41:27.044Z] 12:41:27     INFO - TEST-START | Shutdown
[task 2020-09-11T12:41:27.044Z] 12:41:27     INFO - Browser Chrome Test Summary
[task 2020-09-11T12:41:27.044Z] 12:41:27     INFO - Passed:  794
[task 2020-09-11T12:41:27.044Z] 12:41:27     INFO - Failed:  2
[task 2020-09-11T12:41:27.045Z] 12:41:27     INFO - Todo:    0
[task 2020-09-11T12:41:27.045Z] 12:41:27     INFO - Mode:    e10s
[task 2020-09-11T12:41:27.046Z] 12:41:27     INFO - *** End BrowserChrome Test Results ***
[task 2020-09-11T12:41:27.046Z] 12:41:27     INFO - GECKO(1477) | Exiting due to channel error.
[task 2020-09-11T12:41:27.046Z] 12:41:27     INFO - GECKO(1477) | Exiting due to channel error.
[task 2020-09-11T12:41:27.046Z] 12:41:27     INFO - GECKO(1477) | Exiting due to channel error.
[task 2020-09-11T12:41:27.046Z] 12:41:27     INFO - GECKO(1477) | Exiting due to channel error.
[task 2020-09-11T12:41:27.046Z] 12:41:27     INFO - GECKO(1477) | Exiting due to channel error.
[task 2020-09-11T12:41:27.046Z] 12:41:27     INFO - TEST-INFO | Main app process: exit 0
[task 2020-09-11T12:41:27.046Z] 12:41:27     INFO - runtests.py | Application ran for: 0:01:08.222915
``````