Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/extensions/AbuseFilter/tests/phpunit/LazyVariableComputerDBTest.php:17 Stack trace: #0 {main} thrown in /var/www/html/extensions/AbuseFilter/tests/phpunit/LazyVariableComputerDBTest.php on line 17