Fatal error: Uncaught Error: Class "Psy\Test\TestCase" not found in C:\sites\wasalnah.sabti-h.com\vendor\psy\psysh\test\Input\CodeArgumentTest.php:20 Stack trace: #0 {main} thrown in C:\sites\wasalnah.sabti-h.com\vendor\psy\psysh\test\Input\CodeArgumentTest.php on line 20