Fatal error: Uncaught Error: Class "MediaWikiUnitTestCase" not found in C:\xampp\htdocs\extensions\TemplateStyles\tests\phpunit\unit\TemplateStylesFontFaceAtRuleSanitizerTest.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\TemplateStyles\tests\phpunit\unit\TemplateStylesFontFaceAtRuleSanitizerTest.php on line 12