Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in C:\xampp\htdocs\extensions\CheckUser\tests\phpunit\integration\Api\Rest\Handler\TemporaryAccountHandlerTest.php:33 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\CheckUser\tests\phpunit\integration\Api\Rest\Handler\TemporaryAccountHandlerTest.php on line 33