Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/ninja/vendor/symfony/translation/Tests/Extractor/PhpExtractorTest.php:18 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/symfony/translation/Tests/Extractor/PhpExtractorTest.php on line 18