Fatal error: Uncaught Error: Class "Orchestra\Testbench\TestCase" not found in E:\install\laragon\www\extranet_gpharma_demo\vendor\laravel\framework\tests\Integration\Session\SessionPersistenceTest.php:15 Stack trace: #0 {main} thrown in E:\install\laragon\www\extranet_gpharma_demo\vendor\laravel\framework\tests\Integration\Session\SessionPersistenceTest.php on line 15