Fatal error: Uncaught Error: Class 'Contao\CoreBundle\Tests\TestCase' not found in /home/eberhardschwarze/public_html/vendor/contao/core-bundle/tests/Contao/EnvironmentTest.php:24 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao/core-bundle/tests/Contao/EnvironmentTest.php on line 24