Bug: Intermittent browser/base/content/test/tabPrompts/browser_openPromptInBackgroundTab.js | Test timed out - | Found a tab after previous test timed out: http://example.com/browser/browser/base/content/test/tabPrompts/openPromptOffTimeout.html -
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2022-06-17 22:00:59+00:00
Resolved: 2022-07-26 00:17:12+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=381747947&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Hmo1pxIYRYyrNdmiNKgQzQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-06-17T21:18:07.232Z] 21:18:07     INFO - TEST-START | browser/base/content/test/tabPrompts/browser_openPromptInBackgroundTab.js
[task 2022-06-17T21:18:08.997Z] 21:18:08     INFO - GECKO(2384) | JavaScript error: resource://gre/modules/Prompter.jsm, line 1057: AbortError: Actor 'Prompt' destroyed before query 'Prompt:Open' was resolved
[task 2022-06-17T21:18:30.017Z] 21:18:30     INFO - GECKO(2384) | 2022-06-17 21:18:30.015 firefox[2384:37403] 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 2022-06-17T21:18:52.296Z] 21:18:52     INFO - TEST-INFO | started process screencapture
[task 2022-06-17T21:18:52.437Z] 21:18:52     INFO - TEST-INFO | screencapture: exit 0
[task 2022-06-17T21:18:52.437Z] 21:18:52     INFO - Buffered messages logged at 21:18:07
[task 2022-06-17T21:18:52.437Z] 21:18:52     INFO - Entering test bound test_old_modal_ui
[task 2022-06-17T21:18:52.437Z] 21:18:52     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "http://example.com/browser/browser/base/content/test/tabPrompts/openPromptOffTimeout.html" line: 0}]
[task 2022-06-17T21:18:52.437Z] 21:18:52     INFO - TEST-PASS | browser/base/content/test/tabPrompts/browser_openPromptInBackgroundTab.js | Tab with alert should have 'attention' attribute. - 
<...>
[task 2022-06-17T21:18:52.439Z] 21:18:52     INFO - TEST-PASS | browser/base/content/test/tabPrompts/browser_openPromptInBackgroundTab.js | Tab with alert should not be selected - 
[task 2022-06-17T21:18:52.440Z] 21:18:52     INFO - Buffered messages finished
[task 2022-06-17T21:18:52.440Z] 21:18:52     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabPrompts/browser_openPromptInBackgroundTab.js | Test timed out - 
[task 2022-06-17T21:18:52.440Z] 21:18:52     INFO - GECKO(2384) | MEMORY STAT | vsize 402434MB | residentFast 410MB | heapAllocated 126MB
[task 2022-06-17T21:18:52.440Z] 21:18:52     INFO - TEST-OK | browser/base/content/test/tabPrompts/browser_openPromptInBackgroundTab.js | took 45067ms
[task 2022-06-17T21:18:52.440Z] 21:18:52     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-17T21:18:52.440Z] 21:18:52     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabPrompts/browser_openPromptInBackgroundTab.js | Found a tab after previous test timed out: http://example.com/browser/browser/base/content/test/tabPrompts/openPromptOffTimeout.html - 
[task 2022-06-17T21:18:52.440Z] 21:18:52     INFO - GECKO(2384) | JavaScript error: resource://gre/modules/Prompter.jsm, line 1057: AbortError: Actor 'Prompt' destroyed before query 'Prompt:Open' was resolved
[task 2022-06-17T21:18:52.441Z] 21:18:52     INFO - checking window state
[task 2022-06-17T21:18:52.441Z] 21:18:52     INFO - TEST-START | browser/base/content/test/tabPrompts/browser_promptFocus.js
```