Fatal error: Uncaught Error: Class "MediaWiki\Tests\Api\ApiTestCase" not found in C:\xampp\htdocs\extensions\OATHAuth\tests\phpunit\integration\Api\Module\ApiOATHValidateTest.php:36 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\OATHAuth\tests\phpunit\integration\Api\Module\ApiOATHValidateTest.php on line 36