Fatal error: Uncaught Error: Class "Orchestra\Testbench\TestCase" not found in /var/www/lindinhas.net/vendor/laravel/ui/tests/AuthBackend/RegistersUsersTest.php:17 Stack trace: #0 {main} thrown in /var/www/lindinhas.net/vendor/laravel/ui/tests/AuthBackend/RegistersUsersTest.php on line 17