Emilio Cobos Álvarez fae78ad5e1 Bug 1720133 - Mark a test as flakily failing in all platforms, not just macOS. r=smaug, a=test-only
The first subtest is already annotated as failing on all platforms. My
patch seems to have changed timing in a way such that the second test
also fails in non-macOS platforms.

I tried to reproduce the failure locally and investigate a bit more, but
couldn't. The test doesn't seem particularly racy, off-hand, other than
it using a timer which at best should make the test unexpectedly pass,
not unexpectedly fail...

The other thing that looked suspicious is that the test was waiting for
the load event of the main window, not of the popup it opens (which I
think might be unintended). However that also doesn't make the
failure reproduce here.

Differential Revision: https://phabricator.services.mozilla.com/D120204
2021-07-19 13:45:38 +00:00
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