public async Task UpdateWorkOrderStatusShouldSucceed() { //Arrange var locationBuildService = new Mock <ILocationBuildService>().Object; var jsonService = new Mock <IJsonService <object> >().Object; var responseMessage = new HttpResponseMessage(); responseMessage.StatusCode = HttpStatusCode.NoContent; responseMessage.Headers.ETag = new EntityTagHeaderValue("\"1234567\""); var eccSetupRestApi = new Mock <IEccSetupRestApi>().Object; var filterBuildService = new Mock <IFilterBuildService>().Object; var filterMapper = new Mock <IFilterMapper>().Object; var usersRestApi = new Mock <IUsersRestApi>().Object; var teamsRestApi = new Mock <ITeamsRestApi>().Object; var mapper = new Mock <IMapper>().Object; var workOrderRestApiMock = new Mock <IWorkOrdersRestApi>(); workOrderRestApiMock.Setup(x => x.UpdateOrderStatus(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <string>())).Returns(Task.FromResult(responseMessage)); var workOrderRestApi = workOrderRestApiMock.Object; var updateWorkOrderStatusFromBody = new UpdateOrderStatusFromBody { OrderId = Guid.NewGuid(), Status = "Busy", Version = "12345555" }; var modelDtoConverter = new Mock <IModelDtoConverter>().Object; var mobileService = new MobileService(usersRestApi, teamsRestApi, eccSetupRestApi, workOrderRestApi, filterMapper, filterBuildService, jsonService, locationBuildService, modelDtoConverter, mapper); //Act var response = await mobileService.UpdateWorkOrderStatus(updateWorkOrderStatusFromBody); //Assert response.IsSuccess.Should().Be(true); }