Fatal error: Uncaught Error: Class "Psy\Test\CodeCleaner\CodeCleanerTestCase" not found in C:\xampp\htdocs\r10csm\vendor\psy\psysh\test\CodeCleaner\ExitPassTest.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10csm\vendor\psy\psysh\test\CodeCleaner\ExitPassTest.php on line 19