Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/orian-wiki/tests/phpunit/languages/converters/IuConverterTest.php:7 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/tests/phpunit/languages/converters/IuConverterTest.php on line 7