public async Task Given_AddressServiceSuccess_When_GetAddressCityGroups_Then_ReturnSuccessWithData()
{
_addressService.GetAddressCityGroups().Returns(Task.FromResult(
new List <AddressCityGroup>()
));
var result = await _sut.GetAddressCityGroups() as ObjectResult;
Assert.True(result.StatusCode == 200);
Assert.IsInstanceOf <List <AddressCityGroup> >(result.Value);
}