public async Task TrackAndTraceTestIntegration()
        {
            var builder = new ConfigurationBuilder()
                          .AddUserSecrets <PostnordTest>();

            Configuration = builder.Build();

            var client = new PostnordTrackAndTraceClient(new System.Net.Http.HttpClient());

            var response = await client.RestShipmentV2TrackandtraceFindByIdentifierByReturntypeGetAsync(Returntype2.Json, Configuration["PostnordAPIKey"], "373303810003399402");

            Assert.AreEqual(1, response.TrackingInformationResponse.Shipments.Count);
        }
        public async Task TrackAndTraceTest()
        {
            Mock <HttpMessageHandler> handlerMock = Setup(File.ReadAllText("200.json"));

            var builder = new ConfigurationBuilder()
                          .AddUserSecrets <PostnordTest>();

            Configuration = builder.Build();

            var client = new PostnordTrackAndTraceClient(new System.Net.Http.HttpClient(handlerMock.Object));

            var response = await client.RestShipmentV2TrackandtraceFindByIdentifierByReturntypeGetAsync(Returntype2.Json, Configuration["PostnordAPIKey"], "373303810003399402");

            Assert.AreEqual(1, response.TrackingInformationResponse.Shipments.Count);
            Verify(handlerMock);
        }