Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/microservices/vendor/psy/psysh/test/Readline/GNUReadlineTest.php:16 Stack trace: #0 {main} thrown in /var/www/microservices/vendor/psy/psysh/test/Readline/GNUReadlineTest.php on line 16