From mediawiki.org
This page is a translated version of the page Category:UnitTestsList extensions and the translation is 50% complete.

Die Kategorie UnitTestsList enthält Seiten zu Erweiterungen, die den Hook UnitTestsList /en verwenden.

Since MediaWiki 1.28 (Gerrit change 302944) unit testing for extensions can be implicitly added when the subdirectory tests/phpunit is found, so this hook is only useful for nonstandard paths in recent versions.