mconley says PiP needs to be made Fission compatible before this test can be fixed. PiP blocks enabling Fission in Nightly (M6), so I move this bug from milestone M4.1 to M6.
Bug 1596790 Comment 3 Edit History
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mconley says PiP needs to be made Fission compatible before this test can be fixed. PiP blocks enabling Fission in Nightly (M6), so I will move this bug from milestone M4.1 to M6.