Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in C:\xampp\htdocs\extensions\OATHAuth\tests\phpunit\integration\OATHUserRepositoryTest.php:39 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\OATHAuth\tests\phpunit\integration\OATHUserRepositoryTest.php on line 39