Umbrella ticket for maintenance and code quality tasks within the current WMDE-QWERTY-Season-Sprint-2019-03-20 that are not strictly necessary for a user-facing story.
- Increase stability of backlink browser tests T220318
- Wikidiff2: Remove warning for unused 4th argument on wikidiff2 https://gerrit.wikimedia.org/r/501624
- Popups: Move browser tests loading steps to beforeEach https://gerrit.wikimedia.org/r/500697
- FileImporter: T220713: Fix broken FileImporter unit test ( this got quite big so it got points and is tracked in the new sprint )
- ...