The check for a process is running in the parallel tests should just be file in use checks since these tests run in parallel.
Created attachment 8786532 [details] [diff] [review] patch rev1 Try push https://treeherder.mozilla.org/#/jobs?repo=try&revision=a1e62c2ffb1b
It looks like these changes make it so bug 1214421 happens way more often... which I think is a good thing since it should help with tracking down the cause.
bah... false alarm
Created attachment 8786636 [details] [diff] [review] patch rev2 Try push https://treeherder.mozilla.org/#/jobs?repo=try&revision=5f995ca05b8b Other platforms passed the earlier try push.
a year ago
Pushed by email@example.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/586deb42b345 test code only - Fix app update test file in use checks. r=mhowell
Pushed (test only changes) to mozilla-esr45 https://hg.mozilla.org/releases/mozilla-esr45/rev/edbad0d3a19a