EntityMetaTagsCreatorTestCase is an abstract class, which defines an abstract, non-static dataProvider function: provideTestGetMetaTags
The class is extended in these files:
- Wikibase/view/tests/phpunit/DefaultMetaTagsCreatorTest.php
- Wikibase/view/tests/phpunit/FingerprintableEntityMetaTagsCreatorTest.php
- WikibaseLexeme/tests/phpunit/mediawiki/View/LexemeMetaTagsCreatorTest.php
Since this change involves another repo (WikibaseLexeme), it should be done in its own set of commits across Wikibase and WikibaseLexeme