Fatal error: Uncaught Error: Class 'Orchestra\Testbench\TestCase' not found in /home/appoint/public_html/booking/vendor/laravel/ui/tests/AuthBackend/RegistersUsersTest.php:17 Stack trace: #0 {main} thrown in /home/appoint/public_html/booking/vendor/laravel/ui/tests/AuthBackend/RegistersUsersTest.php on line 17