Fatal error: Uncaught Error: Class "Orchestra\Testbench\TestCase" not found in /home/neondra/www/vendor/laravel/framework/tests/Integration/Concurrency/Console/InvokeSerializedClosureCommandTest.php:23 Stack trace: #0 {main} thrown in /home/neondra/www/vendor/laravel/framework/tests/Integration/Concurrency/Console/InvokeSerializedClosureCommandTest.php on line 23