Google.Maps.GoogleSigned.AssignAllServices C# (CSharp) Method

        public static void AssignAllServices(GoogleSigned signingInstance)
        {
            S_universalSigningInstance = signingInstance;
            //Direction.DirectionService.SigningInstance = signingInstance;
            //DistanceMatrix.DistanceMatrixService.SigningInstance = signingInstance;
            //Elevation.ElevationService.SigningInstance = signingInstance;
            //Geocoding.GeocodingService.SigningInstance = signingInstance;
            //StaticMaps.StaticMapService.SigningInstance = signingInstance;
        }

        public void Geocoding_Request_Signed_With_Private_Key()
        {
            var request = new GeocodingRequest
            {
                Address = "Stathern, UK"
            };

            GoogleSigned.AssignAllServices(GetRealSigningInstance());
            var response = new GeocodingService().GetResponse(request);

            Assert.AreEqual(ServiceResponseStatus.Ok, response.Status);
        }