Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/clapsabo/test/vendor/symfony/security/Guard/Tests/GuardAuthenticatorHandlerTest.php:23 Stack trace: #0 {main} thrown in /home/clapsabo/test/vendor/symfony/security/Guard/Tests/GuardAuthenticatorHandlerTest.php on line 23