Fatal error: Uncaught Error: Class 'TYPO3Fluid\Fluid\Tests\BaseTestCase' not found in /var/www/typo3/vendor/typo3fluid/fluid/tests/UnitTestCase.php:20 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/typo3fluid/fluid/tests/UnitTestCase.php on line 20