public void should_return_true_in_validate_valid_nationalCode()
{
var isValidNationalNumber = NationalNumber.IsValid(NationalNumber.Create());
Check.That(isValidNationalNumber).IsTrue();
}
public void should_return_false_in_validate_invalid_nationalCode(string nationalCode)
{
var isValidNationalNumber = NationalNumber.IsValid(nationalCode);
Check.That(isValidNationalNumber).IsFalse();
}