Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /users/maximus/www/storage/vendor/symfony/validator/Tests/Mapping/Loader/XmlFileLoaderTest.php:30 Stack trace: #0 {main} thrown in /users/maximus/www/storage/vendor/symfony/validator/Tests/Mapping/Loader/XmlFileLoaderTest.php on line 30