Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/message_gateway_20231016/vendor/psy/psysh/test/Psy/Test/Input/CodeArgumentTest.php:17 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway_20231016/vendor/psy/psysh/test/Psy/Test/Input/CodeArgumentTest.php on line 17