The @dataProvider annotation should be a static function, check and make data provider in the extension, at least:
- RevisionFormatterTest with decideContentFormatProvider, decideContentInvalidFormatProvider and setContentFormatInvalidProvider
- PagerTest with provideDataMakePagingLink
static and adjust the usages (More infos at T332865).
Initial work was done in 2b47703615174730e5cae98a00fc7a41c3909ebc