It seems that these failures are showing up in beta simulations: Failures: https://treeherder.mozilla.org/#/jobs?repo=try&resultStatus=testfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel%2Crunnable&revision=a519292a81662abece1b30145a18acba87131aeb&selectedJob=276179774&searchStr=Windows%2C7%2Cdebug%2CMochitests%2Ctest-windows7-32%2Fdebug-mochitest-browser-chrome-e10s-7%2CM%28bc7%29
Bug 1595135 Comment 5 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
It seems that these failures are showing up in beta simulations with the patch being imported: Failures: https://treeherder.mozilla.org/#/jobs?repo=try&resultStatus=testfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel%2Crunnable&revision=a519292a81662abece1b30145a18acba87131aeb&selectedJob=276179774&searchStr=Windows%2C7%2Cdebug%2CMochitests%2Ctest-windows7-32%2Fdebug-mochitest-browser-chrome-e10s-7%2CM%28bc7%29