(In reply to Rob Wu [:robwu] from comment #0) > This bug used to exist on Fennec, but was fixed in bug 1493426. The unit test (`test_popup_incognito)` was removed in https://hg.mozilla.org/mozilla-central/rev/64fde5f3d49f and the regression was re-introduced in bug 1530402. 🤦♂️
Bug 1748526 Comment 2 Edit History
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(In reply to Rob Wu [:robwu] from comment #0) > This bug used to exist on Fennec, but was fixed in bug 1493426. The unit test (`test_popup_incognito)` was removed in https://hg.mozilla.org/mozilla-central/rev/64fde5f3d49f and the regression was re-introduced in bug 1530402. 🤦♂️ Can we please double-check those other removed tests for any other areas of missed coverage we should be re-adding?