Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Test\WebTestCase' not found in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache-bundle/tests/Functional/Security/Http/Logout/ContextInvalidationLogoutHandlerTest.php:18 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache-bundle/tests/Functional/Security/Http/Logout/ContextInvalidationLogoutHandlerTest.php on line 18