Fatal error: Uncaught Error: Class 'Orchestra\Testbench\TestCase' not found in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Mail/MailManagerTest.php:8 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Mail/MailManagerTest.php on line 8