Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/clapsabo/test/vendor/symfony/web-server-bundle/Tests/DependencyInjection/WebServerExtensionTest.php:19 Stack trace: #0 {main} thrown in /home/clapsabo/test/vendor/symfony/web-server-bundle/Tests/DependencyInjection/WebServerExtensionTest.php on line 19