public void Conferences_Get_All() { // Arrange using (var context = GetContextWithData()) using (var controller = new ConferenceController(context)) { // Act var result = controller.GetAll(); // Assert var okResult = result.Should().BeOfType <OkObjectResult>().Subject; var items = okResult.Value.Should().BeAssignableTo <IEnumerable <ConferenceItem> >().Subject; items.Count().Should().Be(3); } }