Fatal error: Uncaught Error: Class "MediaWikiUnitTestCase" not found in /home/mideydfj/wiki.laconio.me/extensions/Math/tests/phpunit/unit/TexVC/TexUtilTest.php:12 Stack trace: #0 {main} thrown in /home/mideydfj/wiki.laconio.me/extensions/Math/tests/phpunit/unit/TexVC/TexUtilTest.php on line 12