Bug: Intermittent browser/components/uitour/test/browser_closeTab.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2023-03-16 14:56:03+00:00
Resolved: 2023-03-16 14:57:04+00:00

**Filed by:** sstanca [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=409139244&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/ZTFT610wTiW7mO1sx3MUtQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2023-03-16T13:51:10.511Z] 13:51:10     INFO - TEST-PASS | browser/components/uitour/test/browser_closeTab.js | Menu button should know that the menu is closed - 
[task 2023-03-16T13:51:10.512Z] 13:51:10     INFO - Done shared checks
[task 2023-03-16T13:51:10.513Z] 13:51:10     INFO - Console message: [JavaScript Warning: "Script terminated by timeout at:
[task 2023-03-16T13:51:10.513Z] 13:51:10     INFO - _sendEvent@https://example.org/browser/browser/components/uitour/test/UITour-lib.js:42:3
[task 2023-03-16T13:51:10.513Z] 13:51:10     INFO - Mozilla.UITour.closeTab@https://example.org/browser/browser/components/uitour/test/UITour-lib.js:821:15
[task 2023-03-16T13:51:10.513Z] 13:51:10     INFO - " {file: "https://example.org/browser/browser/components/uitour/test/UITour-lib.js" line: 42}]
[task 2023-03-16T13:51:10.513Z] 13:51:10     INFO - Leaving test bound test_closeTab
[task 2023-03-16T13:51:10.514Z] 13:51:10     INFO - Console message: [JavaScript Error: "TimeoutError: Message handler threw uncatchable exception"]
[task 2023-03-16T13:51:10.514Z] 13:51:10     INFO - Buffered messages finished
[task 2023-03-16T13:51:10.516Z] 13:51:10     INFO - TEST-UNEXPECTED-FAIL | browser/components/uitour/test/browser_closeTab.js | A promise chain failed to handle a rejection: Message handler threw uncatchable exception - stack: (No stack available.)
[task 2023-03-16T13:51:10.516Z] 13:51:10     INFO - Rejection date: Thu Mar 16 2023 13:51:10 GMT+0000 (Coordinated Universal Time) - false == true - {"filename":"resource://testing-common/PromiseTestUtils.sys.mjs","name":"assertNoUncaughtRejections","sourceId":559,"lineNumber":266,"columnNumber":14,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"nextTest","sourceId":527,"lineNumber":675,"columnNumber":29,"sourceLine":"","asyncCause":null,"asyncCaller":{"filename":"chrome://mochikit/content/browser-test.js","name":"testScope/test_finish/<","sourceId":527,"lineNumber":1699,"columnNumber":25,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"run","sourceId":527,"lineNumber":1618,"columnNumber":9,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":null,"formattedStack":"run@chrome://mochikit/content/browser-test.js:1618:9\n","nativeSavedFrame":{}},"formattedStack":"async*testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1699:25\nrun@chrome://mochikit/content/browser-test.js:1618:9\n","nativeSavedFrame":{}},"caller":null,"formattedStack":"nextTest@chrome://mochikit/content/browser-test.js:675:29\nasync*testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1699:25\nrun@chrome://mochikit/content/browser-test.js:1618:9\n","nativeSavedFrame":{}},"formattedStack":"assertNoUncaughtRejections@resource://testing-common/PromiseTestUtils.sys.mjs:266:14\nnextTest@chrome://mochikit/content/browser-test.js:675:29\nasync*testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1699:25\nrun@chrome://mochikit/content/browser-test.js:1618:9\n","nativeSavedFrame":{}}
[task 2023-03-16T13:51:10.517Z] 13:51:10     INFO - Stack trace:
[task 2023-03-16T13:51:10.517Z] 13:51:10     INFO - resource://testing-common/PromiseTestUtils.sys.mjs:assertNoUncaughtRejections:266
[task 2023-03-16T13:51:10.517Z] 13:51:10     INFO - chrome://mochikit/content/browser-test.js:nextTest:675
[task 2023-03-16T13:51:10.517Z] 13:51:10     INFO - chrome://mochikit/content/browser-test.js:testScope/test_finish/<:1699
[task 2023-03-16T13:51:10.517Z] 13:51:10     INFO - chrome://mochikit/content/browser-test.js:run:1618
[task 2023-03-16T13:51:10.609Z] 13:51:10     INFO - GECKO(21266) | MEMORY STAT | vsize 11870MB | residentFast 477MB | heapAllocated 248MB
[task 2023-03-16T13:51:10.610Z] 13:51:10     INFO - TEST-OK | browser/components/uitour/test/browser_closeTab.js | took 685ms
```