Fatal error: Uncaught Error: Class "MediaWiki\Tests\ExtensionJsonTestBase" not found in C:\xampp\htdocs\extensions\AbuseFilter\tests\phpunit\integration\AbuseFilterExtensionJsonTest.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\AbuseFilter\tests\phpunit\integration\AbuseFilterExtensionJsonTest.php on line 13