Fatal error: Uncaught Error: Class "Psy\Test\TestCase" not found in C:\sites\wasalnah.sabti-h.com\vendor\psy\psysh\test\VersionUpdater\SelfUpdateTest.php:28 Stack trace: #0 {main} thrown in C:\sites\wasalnah.sabti-h.com\vendor\psy\psysh\test\VersionUpdater\SelfUpdateTest.php on line 28