public void SoldFirearmTest()
{
VerifyExists();
long id = Buyers.GetId(_databasePath, _buyerName, out _errOut);
bool value = Buyers.FirearmBought(_databasePath, _gunId, id, DateTime.Now.ToString(CultureInfo.InvariantCulture), "400.00", out _errOut);
General.HasTrueValue(value, _errOut);
}