Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/message_gateway_20231016/vendor/symfony/console/Tests/Input/InputArgumentTest.php:17 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway_20231016/vendor/symfony/console/Tests/Input/InputArgumentTest.php on line 17