1961546 - Intermittent browser/components/customizableui/test/browser_widget_recreate_events.js | single tracking bug

Status: NEW

(Firefox :: Toolbars and Customization, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: jmaher [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=504662624&repo=try
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/GvmBSNYMQ_uZVcj_J4AQFg/runs/0/artifacts/public/logs/live_backing.log

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[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - The last visible item in the nav-bar has ID: unified-extensions-button
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - Buffered messages finished
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_968565_insert_before_hidden_items.js | Uncaught exception in test bound  - at chrome://mochikit/content/tests/SimpleTest/EventUtils.js:3270 - Error: No data transfer object after synthesizing the mouse!
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - Stack trace:
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - synthesizeDragOver@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:3270:11
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - synthesizeDrop@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:3416:52
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - simulateItemDrag@chrome://mochitests/content/browser/browser/components/customizableui/test/head.js:220:17
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - @chrome://mochitests/content/browser/browser/components/customizableui/test/browser_968565_insert_before_hidden_items.js:49:19
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1170:26
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1242:18
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:1383:14
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1159:14
[task 2025-04-19T09:13:00.006Z] 09:13:00     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - Leaving test bound 
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - Console message: [JavaScript Error: "TypeError: event.target.closest is not a function" {file: "resource:///modules/UrlbarInput.sys.mjs" line: 4250}]
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - _on_mousedown@resource:///modules/UrlbarInput.sys.mjs:4250:26
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - handleEvent@resource:///modules/UrlbarInput.sys.mjs:677:23
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - synthesizeMouseAtPoint@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:794:32
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - synthesizeMouse@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:557:10
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - synthesizeMouseAtCenter@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:989:10
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - synthesizeDragOver@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:3258:26
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - synthesizeDrop@chrome://mochikit/content/tests/SimpleTest/EventUtils.js:3416:52
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - simulateItemDrag@chrome://mochitests/content/browser/browser/components/customizableui/test/head.js:220:17
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - @chrome://mochitests/content/browser/browser/components/customizableui/test/browser_968565_insert_before_hidden_items.js:49:19
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1170:26
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1242:18
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:1383:14
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1159:14
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2025-04-19T09:13:00.007Z] 09:13:00     INFO - 
[task 2025-04-19T09:13:01.079Z] 09:13:01     INFO - GECKO(998) | MEMORY STAT | vsize 413783MB | residentFast 654MB | heapAllocated 187MB
[task 2025-04-19T09:13:01.079Z] 09:13:01     INFO - TEST-OK | browser/components/customizableui/test/browser_968565_insert_before_hidden_items.js | took 1197ms
[task 2025-04-19T09:13:01.079Z] 09:13:01     INFO - Not taking screenshot here: see the one that was previously logged
[task 2025-04-19T09:13:01.079Z] 09:13:01     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_widget_recreate_events.js | Found an unexpected tab at the end of test run: about:blank - 
[task 2025-04-19T09:13:01.086Z] 09:13:01     INFO - checking window state

Comment 1

[Joel Maher ( :jmaher ) (UTC -8)]

this is a new issue while upgrading macosx 11.20 -> 15.30