public async void GetSessionsAndSpeakers_Success()
{
SessionSpeakerCollection sessionSpeakerCollection = GetMockSessionsAndSpeakerCollection();
demoConferenceService.GetAllSessionsAndSpeakers().Returns(sessionSpeakerCollection);
var result = await conferenceController.GetAllSessionsAndSpeakers();
var viewResult = Assert.IsType <OkObjectResult>(result);
var model = Assert.IsAssignableFrom <SessionSpeakerCollection>(
viewResult.Value);
Assert.Equal(3, model.Sessions.Count);
}
