QueryAsync() public method

See INfieldSurveyRelocationsService.QueryAsync
public QueryAsync ( string surveyId ) : Task>
surveyId string
return Task>
 public void TestQueryAsync_SurveyIdIsEmpty_Throws()
 {
     var target = new NfieldSurveyRelocationsService();
     Assert.Throws<ArgumentException>(() => UnwrapAggregateException(target.QueryAsync("")));
 }
        public void TestQueryAsync_ServerReturnsQuery_ReturnsListWithRelocations()
        {
            var expectedRelocationss = new []
            { new SurveyRelocation { Reason = "reason X", Url = "url X"},
              new SurveyRelocation { Reason = "reason Y", Url = "url Y"}
            };
            var mockedNfieldConnection = new Mock<INfieldConnectionClient>();
            var mockedHttpClient = CreateHttpClientMock(mockedNfieldConnection);
            mockedHttpClient
                .Setup(client => client.GetAsync(ServiceAddress + "Surveys/" + SurveyId + "/Relocations"))
                .Returns(CreateTask(HttpStatusCode.OK, new StringContent(JsonConvert.SerializeObject(expectedRelocationss))));

            var target = new NfieldSurveyRelocationsService();
            target.InitializeNfieldConnection(mockedNfieldConnection.Object);

            var actualRelocations = target.QueryAsync(SurveyId).Result.ToArray(); ;
            Assert.Equal(expectedRelocationss[0].Reason, actualRelocations[0].Reason);
            Assert.Equal(expectedRelocationss[0].Url, actualRelocations[0].Url);
            Assert.Equal(expectedRelocationss[1].Reason, actualRelocations[1].Reason);
            Assert.Equal(expectedRelocationss[1].Url, actualRelocations[1].Url);
            Assert.Equal(2, actualRelocations.Length);
        }