I think this is fixed now. The last occurrence was in the central as early beta simulation from [June 5th](https://treeherder.mozilla.org/jobs?repo=try&resultStatus=testfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel&revision=b73c08ab63c023e8c207739719ac29e6082ae5a2&searchStr=xpc&selectedTaskRun=XF-16H69QkWlcbp9nZHnUA.0). In [today's simulation](https://treeherder.mozilla.org/jobs?repo=try&group_state=expanded&revision=26a05c18f42d6acd2483e7128df2309124839a5b&test_paths=browser%2Fcomponents%2Ftests%2Funit) the failure does not happen anymore. Feel free to close this if the sync you were talking about has happened and this is truly fixed. Thank you!
Bug 1899530 Comment 3 Edit History
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I think this is fixed now. The last occurrence was in the central as early beta simulation from [June 5th](https://treeherder.mozilla.org/jobs?repo=try&resultStatus=testfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel&revision=b73c08ab63c023e8c207739719ac29e6082ae5a2&searchStr=xpc&selectedTaskRun=XF-16H69QkWlcbp9nZHnUA.0). In [today's simulation](https://treeherder.mozilla.org/jobs?repo=try&group_state=expanded&revision=26a05c18f42d6acd2483e7128df2309124839a5b&test_paths=browser%2Fcomponents%2Ftests%2Funit) the failure does not happen anymore -> [log were this test is now Pass](https://treeherder.mozilla.org/logviewer?job_id=461596275&repo=try&lineNumber=2304-2319) Feel free to close this if the sync you were talking about has happened and this is truly fixed. Thank you!