public async Task CreateCityAsync_Should_Throw_ObjectConflictException()
        {
            var city = new City()
            {
                CityId = 1, Name = "Stockholm"
            };
            var cityDto = new CityCreateDto()
            {
                Name = "Stockholm"
            };

            var mockedRepository = new Mock <ICitiesRepository>();

            mockedRepository.Setup(x => x.FindByNameAsync(It.IsAny <string>()))
            .ReturnsAsync(city);

            var mapperConfiguration = new MapperConfiguration(cfg =>
            {
                cfg.AddProfile(new DomainProfile());
            });
            var mockedMapper = mapperConfiguration.CreateMapper();

            var cityService = new CitiesService(mockedRepository.Object, mockedMapper);

            await Assert.ThrowsAsync <ObjectConflictException>(() => cityService.CreateCityAsync(cityDto));
        }