(Copying from https://bugzilla.mozilla.org/show_bug.cgi?id=1769956#c1) I think this is fixed by https://phabricator.services.mozilla.com/D144605, but https://treeherder.mozilla.org/jobs?repo=autoland&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel&selectedTaskRun=N2y6e3dvRq2TtKitQHJBGQ.0 shows a surprisingly different error: >Unhandled rejection with value: object "TypeError: resolveWrite is not a function" That sounds like a JavaScript context issue. Matthew, do you have any idea? I couldn't repro this locally, not sure what's different on TVw? Seems it [doesn't fail on Windows](https://treeherder.mozilla.org/jobs?repo=autoland&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel&selectedTaskRun=B6z2Wdf2RQCwxDC9sjqC4Q.0), interesting.
Bug 1770172 Comment 2 Edit History
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(Copying from https://bugzilla.mozilla.org/show_bug.cgi?id=1769956#c1) https://treeherder.mozilla.org/jobs?repo=autoland&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel&selectedTaskRun=N2y6e3dvRq2TtKitQHJBGQ.0 shows a surprisingly different error: >Unhandled rejection with value: object "TypeError: resolveWrite is not a function" That sounds like a JavaScript context issue. Matthew, do you have any idea? I couldn't repro this locally, not sure what's different on TVw? Seems it [doesn't fail on Windows](https://treeherder.mozilla.org/jobs?repo=autoland&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel&selectedTaskRun=B6z2Wdf2RQCwxDC9sjqC4Q.0), interesting.
(Copying from https://bugzilla.mozilla.org/show_bug.cgi?id=1769956#c1) >Unhandled rejection with value: object "TypeError: resolveWrite is not a function" This sounds like a JavaScript context issue. Matthew, do you have any idea? I couldn't repro this locally, not sure what's different on TVw? Seems it [doesn't fail on Windows](https://treeherder.mozilla.org/jobs?repo=autoland&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel&selectedTaskRun=B6z2Wdf2RQCwxDC9sjqC4Q.0), interesting.