Fatal error: Uncaught Error: Class 'Matthias\SymfonyDependencyInjectionTest\PhpUnit\AbstractExtensionConfigurationTestCase' not found in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache-bundle/tests/Unit/DependencyInjection/ConfigurationTest.php:19 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache-bundle/tests/Unit/DependencyInjection/ConfigurationTest.php on line 19