In the about studies tests, one of the tasks is marked as .only(), which disables all the other tests in the file. That's not right.

Pushed by mcooper@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/ae8cdf156f9a Remove errant .only() from about:studies tests. r=Gijs

Backout by aciure@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/d08c28ed42f1 Backed out 2 changesets (bug 1501877, bug 1498940) for failing browser_about_studies.js CLOSED TREE

Backed out 2 changesets (bug 1501877, bug 1498940) for failing browser_about_studies.js push that caused the backout: https://treeherder.mozilla.org/#/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel%2Crunnable&revision=f0ed99b29aafb5fd7f613a000634b53927af4259&selectedJob=207819106 failures: https://treeherder.mozilla.org/#/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel%2Crunnable&revision=f0ed99b29aafb5fd7f613a000634b53927af4259&selectedJob=207819106&searchStr=linux%2Cx64%2Cdebug%2Cmochitests%2Cwith%2Ce10s%2Ctest-linux64%2Fdebug-mochitest-browser-chrome-e10s-4%2Cm-e10s%28bc4%29 backout: https://hg.mozilla.org/integration/autoland/rev/d08c28ed42f1bef0b77d38064759b797f377a998

Pushed by mcooper@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/73fb7d7b85a3 Remove errant .only() from about:studies tests. r=Gijs

Comment on attachment 9019888 [details] Bug 1501877 - Remove errant .only() from about:studies tests. r=Gijs [Beta/Release Uplift Approval Request] Feature/Bug causing the regression: Unknown User impact if declined: Tests were disabled, causing the code they were testing to fail silently. Is this code covered by automated tests?: Yes Has the fix been verified in Nightly?: No Needs manual test from QE?: No If yes, steps to reproduce: List of other uplifts needed: None Risk to taking this patch: Medium Why is the change risky/not risky? (and alternatives if risky): By re-enabling these tests, some intermittent test failures may have been exposed. This change doesn't expose any new issues to users though. String changes made/needed:

Comment on attachment 9019888 [details] Bug 1501877 - Remove errant .only() from about:studies tests. r=Gijs [Triage Comment] Needed for bug 1498940, approved for 64.0b6.

Marking as qe- per c#7.