Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/message_gateway_20231016/vendor/symfony/console/Tests/ApplicationTest.php:36 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway_20231016/vendor/symfony/console/Tests/ApplicationTest.php on line 36