Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Notifications\Factory" not found in D:\Application\www\E-Tracking\vendor\laravel\framework\src\Illuminate\Support\Testing\Fakes\NotificationFake.php:12 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\laravel\framework\src\Illuminate\Support\Testing\Fakes\NotificationFake.php on line 12