public async Task SpeakersAndSessionsAsyncShouldReturnOkResult() { //Arrange var mockConferenceService = new Mock <IConferenceService>(); mockConferenceService.Setup(service => service.GetSpeakersAndSessionsAsync(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <string>())).ReturnsAsync(new JObject()); var controller = new ConferenceController(mockConferenceService.Object); // Act var data = await controller.SpeakersAndSessionsAsync(); // Assert Assert.IsType <Microsoft.AspNetCore.Mvc.OkObjectResult>(data); }