Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/extensions/SemanticMediaWiki/src/Tesa/tests/phpunit/Unit/Tokenizer/IcuWordBoundaryTokenizerTest.php:17 Stack trace: #0 {main} thrown in /var/www/html/extensions/SemanticMediaWiki/src/Tesa/tests/phpunit/Unit/Tokenizer/IcuWordBoundaryTokenizerTest.php on line 17