Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/tests/phpunit/Structure/LocalLanguageFileIntegrityTest.php:16 Stack trace: #0 {main} thrown in /var/www/html/wiki_2023/extensions/SemanticMediaWiki/tests/phpunit/Structure/LocalLanguageFileIntegrityTest.php on line 16