public async void DeliveriesController_CreateDeliveryAsync_should_return_accepted() { // Arrange var dto = A.New <DeliveryDtoSave>(); // Act var result = await _controller.CreateDeliveryAsync(dto) as ObjectResult; // Assert result.Should().NotBeNull(); result.StatusCode.Should().Be((int)HttpStatusCode.Accepted); _service.Verify(x => x.InsertDeliveryAsync(dto), Times.Once()); }