Bug: Intermittent browser/components/newtab/test/browser/browser_aboutwelcome_simplified.js | Uncaught exception - Should render h1[data-l10n-id=onboarding-welcome-header] in default - timed out after 50 tries.
Status: RESOLVED
Priority: P5
Resolution: FIXED
Created: 2020-04-20 10:21:29+00:00
Resolved: 2020-05-04 20:33:25+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=298367283&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/bSrcsURlQBOQgWdJ_jJ4WQ/runs/0/artifacts/public/logs/live_backing.log

---

```
[task 2020-04-20T09:30:29.788Z] 09:30:29     INFO - TEST-START | browser/components/newtab/test/browser/browser_aboutwelcome_simplified.js
[task 2020-04-20T09:30:37.637Z] 09:30:37     INFO - TEST-INFO | started process screencapture
[task 2020-04-20T09:30:37.792Z] 09:30:37     INFO - TEST-INFO | screencapture: exit 0
[task 2020-04-20T09:30:37.792Z] 09:30:37     INFO - Buffered messages logged at 09:30:29
[task 2020-04-20T09:30:37.793Z] 09:30:37     INFO - Entering test bound test_Separate_About_Welcome_branches
[task 2020-04-20T09:30:37.793Z] 09:30:37     INFO - Buffered messages finished
[task 2020-04-20T09:30:37.793Z] 09:30:37     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_aboutwelcome_simplified.js | Uncaught exception - Should render h1[data-l10n-id=onboarding-welcome-header] in default - timed out after 50 tries.
[task 2020-04-20T09:30:37.793Z] 09:30:37     INFO - Leaving test bound test_Separate_About_Welcome_branches
[task 2020-04-20T09:30:37.793Z] 09:30:37     INFO - Entering test bound test_startBrowsing
[task 2020-04-20T09:30:41.741Z] 09:30:41     INFO - GECKO(1969) | 2020-04-20 09:30:41.713 firefox[1969:16048] Persistent UI failed to open file file:///Users/cltbld/Library/Saved%20Application%20State/org.mozilla.nightly.savedState/window_1.data: No such file or directory (2)
[task 2020-04-20T09:30:45.849Z] 09:30:45     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-04-20T09:30:45.850Z] 09:30:45     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_aboutwelcome_simplified.js | Uncaught exception - Should render activity stream content - timed out after 50 tries.
[task 2020-04-20T09:30:45.850Z] 09:30:45     INFO - Leaving test bound test_startBrowsing
[task 2020-04-20T09:30:45.850Z] 09:30:45     INFO - Entering test bound setup
[task 2020-04-20T09:30:45.850Z] 09:30:45     INFO - Leaving test bound setup
[task 2020-04-20T09:30:45.850Z] 09:30:45     INFO - Entering test bound test_startBrowsing
[task 2020-04-20T09:30:54.565Z] 09:30:54     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-04-20T09:30:54.566Z] 09:30:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_aboutwelcome_simplified.js | Uncaught exception - Should render activity stream content - timed out after 50 tries.
[task 2020-04-20T09:30:54.566Z] 09:30:54     INFO - Leaving test bound test_startBrowsing
[task 2020-04-20T09:30:54.566Z] 09:30:54     INFO - GECKO(1969) | MEMORY STAT | vsize 7614MB | residentFast 319MB | heapAllocated 116MB
[task 2020-04-20T09:30:54.566Z] 09:30:54     INFO - TEST-OK | browser/components/newtab/test/browser/browser_aboutwelcome_simplified.js | took 24780ms
[task 2020-04-20T09:30:54.566Z] 09:30:54     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-04-20T09:30:54.566Z] 09:30:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_aboutwelcome_simplified.js | Found an unexpected tab at the end of test run: about:welcome - 
[task 2020-04-20T09:30:54.574Z] 09:30:54     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-04-20T09:30:54.574Z] 09:30:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_aboutwelcome_simplified.js | Found an unexpected tab at the end of test run: about:welcome - 
[task 2020-04-20T09:30:54.603Z] 09:30:54     INFO - checking window state
[task 2020-04-20T09:30:54.619Z] 09:30:54     INFO - TEST-START | browser/components/newtab/test/browser/browser_as_load_location.js
[task 2020-04-20T09:30:55.028Z] 09:30:55     INFO - GECKO(1969) | MEMORY STAT | vsize 7624MB | residentFast 319MB | heapAllocated 121MB
[task 2020-04-20T09:30:55.028Z] 09:30:55     INFO - TEST-OK | browser/components/newtab/test/browser/browser_as_load_location.js | took 407ms
[task 2020-04-20T09:30:55.065Z] 09:30:55     INFO - checking window state
[task 2020-04-20T09:30:55.102Z] 09:30:55     INFO - TEST-START | browser/components/newtab/test/browser/browser_as_render.js
```