Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Mail\Factory' not found in /var/www/html/test-project/my-app/vendor/laravel/framework/src/Illuminate/Support/Testing/Fakes/MailFake.php:14 Stack trace: #0 {main} thrown in /var/www/html/test-project/my-app/vendor/laravel/framework/src/Illuminate/Support/Testing/Fakes/MailFake.php on line 14