Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/SQLStore/QueryEngine/OrderConditionTest.php:19 Stack trace: #0 {main} thrown in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/SQLStore/QueryEngine/OrderConditionTest.php on line 19