Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/cgenial/cgenial/vendor/nelmio/security-bundle/Tests/Listener/XssProtectionListenerTest.php:11 Stack trace: #0 {main} thrown in /home/cgenial/cgenial/vendor/nelmio/security-bundle/Tests/Listener/XssProtectionListenerTest.php on line 11