Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestSuite" not found in /users/ms-it/www/oc/lib/composer/symfony/polyfill-util/TestListenerForV6.php:23 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/symfony/polyfill-util/TestListenerForV6.php on line 23