public async void ImportValid()
        {
            var manufactured      = EntitiesFactory.GetNewManufacturer();
            var listManufacturers = new List <Manufacturer> {
                manufactured
            };

            _manufacturedRepository.Import(listManufacturers).Returns(true);

            bool result = await _manufacturerService.Import(listManufacturers);

            result.Should().BeTrue();
        }