public async Task RowHouseIsNotAddedIfItDoesExist()
{
const int postalCode = 20780;
const string rowAddress = "Tampereentie 1 A";
_apartmentRepository.HasRowHouse(postalCode, rowAddress).Returns(true);
await _registrationService.AddApartment("Heikkinen", $"{rowAddress} 13", postalCode);
_apartmentRepository.DidNotReceive().AddRowHouse(Arg.Any <int>(), Arg.Any <string>());
}
