Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/w/extensions/SemanticMediaWiki/Tesa/tests/phpunit/Integration/CombinedNGramTokenizerTest.php:16 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/SemanticMediaWiki/Tesa/tests/phpunit/Integration/CombinedNGramTokenizerTest.php on line 16