Fatal error: Uncaught Error: Class "TYPO3\CMS\Core\Tests\UnitTestCase" not found in /var/www/html/dev.hallescherfc.de/vendor/causal/extractor/Tests/Unit/Configuration/ConfigurationTest.php:23 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/causal/extractor/Tests/Unit/Configuration/ConfigurationTest.php on line 23