Route::post PHP Method

        public static function post($uri, $action = null)
        {
            return \Illuminate\Routing\Router::post($uri, $action);
        }

 public function setUp()
 {
     parent::setUp();
     Route::post('/user', ['middleware' => 'validate:App\\Http\\Validators\\UserValidate', function () {
         return response()->json(null, 200);
     }]);
 }