Bug: Intermittent browser/base/content/test/zoom/browser_default_zoom_fission.js | Test timed out -
Status: RESOLVED
Priority: P5
Resolution: WORKSFORME
Created: 2020-01-03 20:54:26+00:00
Resolved: 2020-06-12 19:46:56+00:00

**Filed by:** rmaries [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=283392478&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/V1Za79MeSYqWM0hIXNpmRA/runs/0/artifacts/public/logs/live_backing.log

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[task 2020-01-03T20:30:39.612Z] 20:30:39     INFO - TEST-START | browser/base/content/test/zoom/browser_default_zoom_fission.js
[task 2020-01-03T20:30:39.613Z] 20:30:39     INFO - GECKO(1970) | console.log: Creating tab
[task 2020-01-03T20:30:39.653Z] 20:30:39     INFO - GECKO(1970) | console.log: Loading tab
[task 2020-01-03T20:30:40.153Z] 20:30:40     INFO - GECKO(1970) | console.log: Changing default zoom
[task 2020-01-03T20:30:40.368Z] 20:30:40     INFO - GECKO(1970) | console.log: Current zoom is:  0.67
[task 2020-01-03T20:30:40.368Z] 20:30:40     INFO - GECKO(1970) | console.log: Spawinging iframe
[task 2020-01-03T20:30:40.368Z] 20:30:40     INFO - GECKO(1970) | console.log: Awaiting frame promise
[task 2020-01-03T20:30:40.687Z] 20:30:40     INFO - GECKO(1970) | console.log: Removing tab
[task 2020-01-03T20:30:40.687Z] 20:30:40     INFO - GECKO(1970) | console.log: Adding tab
[task 2020-01-03T20:30:40.740Z] 20:30:40     INFO - GECKO(1970) | console.log: Awaiting tab load
[task 2020-01-03T20:30:41.416Z] 20:30:41     INFO - GECKO(1970) | console.log: Spawning iframe
[task 2020-01-03T20:30:41.416Z] 20:30:41     INFO - GECKO(1970) | console.log: Awaiting iframe load
[task 2020-01-03T20:30:41.432Z] 20:30:41     INFO - GECKO(1970) | JavaScript error: chrome://mochitests/content/browser/browser/base/content/test/zoom/browser_default_zoom_fission.js, line 82: TypeError: content.document.querySelector(...) is null
[task 2020-01-03T20:30:41.432Z] 20:30:41     INFO - GECKO(1970) | JavaScript error: , line 0: NS_ERROR_UNEXPECTED
[task 2020-01-03T20:31:03.308Z] 20:31:03     INFO - GECKO(1970) | 2020-01-03 20:31:03.280 firefox[1970:14674] 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 2020-01-03T20:31:24.687Z] 20:31:24     INFO - TEST-INFO | started process screencapture
[task 2020-01-03T20:31:24.846Z] 20:31:24     INFO - TEST-INFO | screencapture: exit 0
[task 2020-01-03T20:31:24.846Z] 20:31:24     INFO - Buffered messages logged at 20:30:39
[task 2020-01-03T20:31:24.846Z] 20:31:24     INFO - Entering test bound test_sitespecific_iframe_global_zoom
[task 2020-01-03T20:31:24.847Z] 20:31:24     INFO - Buffered messages logged at 20:30:40
[task 2020-01-03T20:31:24.847Z] 20:31:24     INFO - TEST-PASS | browser/base/content/test/zoom/browser_default_zoom_fission.js | Global zoom is at 67% - 
[task 2020-01-03T20:31:24.847Z] 20:31:24     INFO - TEST-PASS | browser/base/content/test/zoom/browser_default_zoom_fission.js | tab zoom has been set to 67% - 
[task 2020-01-03T20:31:24.847Z] 20:31:24     INFO - TEST-PASS | browser/base/content/test/zoom/browser_default_zoom_fission.js | got the load event for the iframe - 
[task 2020-01-03T20:31:24.848Z] 20:31:24     INFO - TEST-PASS | browser/base/content/test/zoom/browser_default_zoom_fission.js | global zoom is reflected in iframe - 
[task 2020-01-03T20:31:24.848Z] 20:31:24     INFO - Leaving test bound test_sitespecific_iframe_global_zoom
[task 2020-01-03T20:31:24.851Z] 20:31:24     INFO - Entering test bound test_sitespecific_global_zoom_enlarge
[task 2020-01-03T20:31:24.851Z] 20:31:24     INFO - Buffered messages logged at 20:30:41
[task 2020-01-03T20:31:24.851Z] 20:31:24     INFO - Console message: [JavaScript Error: "NS_ERROR_UNEXPECTED"]
[task 2020-01-03T20:31:24.851Z] 20:31:24     INFO - Console message: [JavaScript Error: "TypeError: content.document.querySelector(...) is null" {file: "chrome://mochitests/content/browser/browser/base/content/test/zoom/browser_default_zoom_fission.js" line: 82}]
[task 2020-01-03T20:31:24.851Z] 20:31:24     INFO - Buffered messages finished
[task 2020-01-03T20:31:24.851Z] 20:31:24     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/zoom/browser_default_zoom_fission.js | Test timed out - 
[task 2020-01-03T20:31:24.851Z] 20:31:24     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-01-03T20:31:24.851Z] 20:31:24     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/zoom/browser_default_zoom_fission.js | A promise chain failed to handle a rejection: [Exception... "(null)"  nsresult: "0x8000ffff (NS_ERROR_UNEXPECTED)"  location: "<unknown>"  data: no] - stack: (No stack available.)
[task 2020-01-03T20:31:24.851Z] 20:31:24     INFO - Rejection date: Fri Jan 03 2020 20:30:41 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 265
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - Stack trace:
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:265
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - chrome://mochikit/content/browser-test.js:nextTest:624
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - chrome://mochikit/content/browser-test.js:timeoutFn:1183
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - setTimeout handler*chrome://mochikit/content/browser-test.js:Tester_execTest:1130
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:925
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:808
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - GECKO(1970) | MEMORY STAT | vsize 7595MB | residentFast 332MB | heapAllocated 95MB
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - TEST-OK | browser/base/content/test/zoom/browser_default_zoom_fission.js | took 45117ms
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/zoom/browser_default_zoom_fission.js | Found a tab after previous test timed out: data:text/html;charset=utf-8,<body>test_sitespecific_global_zoom_enlarge<iframe src=""></iframe></body> - 
[task 2020-01-03T20:31:24.852Z] 20:31:24     INFO - checking window state