Bug: Intermittent browser/components/tabbrowser/test/browser/tabs/browser_tab_preview.js | single tracking bug
Status: NEW
Priority: P5
Created: 2024-07-02 16:13:03+00:00
Resolved: 2025-03-03 06:47:05+00:00

**Filed by:** tszentpeteri [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=464875986&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Sq2vlQCBReevt9NXxOw3wQ/runs/0/artifacts/public/logs/live_backing.log
**Reftest URL:** https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Sq2vlQCBReevt9NXxOw3wQ/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2024-07-02T14:34:14.566Z] 14:34:14     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_preview.js | delay is reset after drag started - true == true - 
[task 2024-07-02T14:34:14.566Z] 14:34:14     INFO - Buffered messages logged at 14:34:03
[task 2024-07-02T14:34:14.567Z] 14:34:14     INFO - Leaving test bound dragTests
[task 2024-07-02T14:34:14.567Z] 14:34:14     INFO - Entering test bound panelSuppressionOnContextMenuTests
[task 2024-07-02T14:34:14.568Z] 14:34:14     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "data:text/html,<html><head><title>First New Tab</title></head><body>Hello</body></html>" line: 0}]
[task 2024-07-02T14:34:14.568Z] 14:34:14     INFO - Buffered messages finished
[task 2024-07-02T14:34:14.568Z] 14:34:14     INFO - TEST-UNEXPECTED-FAIL | browser/components/tabbrowser/test/browser/tabs/browser_tab_preview.js | Uncaught exception in test bound panelSuppressionOnContextMenuTests - undefined - timed out after 50 tries.
[task 2024-07-02T14:34:14.569Z] 14:34:14     INFO - Leaving test bound panelSuppressionOnContextMenuTests
[task 2024-07-02T14:34:14.569Z] 14:34:14     INFO - Entering test bound panelSuppressionOnPanelTests
[task 2024-07-02T14:34:15.116Z] 14:34:15     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "data:text/html,<html><head><title>First New Tab</title></head><body>Hello</body></html>" line: 0}]
[task 2024-07-02T14:34:15.177Z] 14:34:15     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - TEST-UNEXPECTED-FAIL | browser/components/tabbrowser/test/browser/tabs/browser_tab_preview.js | Uncaught exception in test bound panelSuppressionOnPanelTests - at resource://testing-common/sinon-7.2.7.js:3605 - TypeError: Attempted to wrap activate which is already wrapped
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - Stack trace:
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - checkWrappedMethod@resource://testing-common/sinon-7.2.7.js:3605:21
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - wrapMethod@resource://testing-common/sinon-7.2.7.js:3653:31
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - spy@resource://testing-common/sinon-7.2.7.js:2358:16
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - spy@resource://testing-common/sinon-7.2.7.js:2083:26
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - panelSuppressionOnPanelTests@chrome://mochitests/content/browser/browser/components/tabbrowser/test/browser/tabs/browser_tab_preview.js:452:9
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1145:26
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1217:18
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1358:14
[task 2024-07-02T14:34:15.179Z] 14:34:15     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1128:14
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - 
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - --------------
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - wrapMethod@resource://testing-common/sinon-7.2.7.js:3679:26
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - spy@resource://testing-common/sinon-7.2.7.js:2358:16
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - spy@resource://testing-common/sinon-7.2.7.js:2083:26
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - panelSuppressionOnContextMenuTests@chrome://mochitests/content/browser/browser/components/tabbrowser/test/browser/tabs/browser_tab_preview.js:421:9
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1145:26
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1217:18
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1358:14
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1128:14
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2024-07-02T14:34:15.180Z] 14:34:15     INFO - Leaving test bound panelSuppressionOnPanelTests
[task 2024-07-02T14:34:15.181Z] 14:34:15     INFO - Entering test bound wheelTests
[task 2024-07-02T14:34:15.820Z] 14:34:15     INFO - TEST-PASS | browser/components/tabbrowser/test/browser/tabs/browser_tab_preview.js | Panel does not have rolluponmousewheel when no overflow - true == true - 
```