Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /usr/www/otte/public/sphunt1/extensions/CheckUser/tests/phpunit/integration/Api/Rest/Handler/UserAgentClientHintsHandlerTest.php:25 Stack trace: #0 {main} thrown in /usr/www/otte/public/sphunt1/extensions/CheckUser/tests/phpunit/integration/Api/Rest/Handler/UserAgentClientHintsHandlerTest.php on line 25