public async Task GetEventListAsync_LoadEventThenMapTheResponse() { const int groupId = 8; var events = new List <Event>(); var eventsResponse = new List <EventResponse>(); _eventService.GetEventsForGroupAsync(_executionContext, groupId) .Returns(events); _mapper.Map <List <EventResponse> >(events) .Returns(eventsResponse); var result = await _controller.GetEventListAsync(_executionContext, groupId); result.Value.Should().BeSameAs(eventsResponse); }