public void ChangeCoinCount()
{
Init();
VengineMachine.ChangeCoinCount(Coin1, 20);
Assert.AreEqual(20, Coin1.Count);
}
public void ChangeCoinCount(Guid id, int count)
{
CoinEntity coinEntity = _coinRepository.Get(id);
_printer.CoinInfo(coinEntity);
_vengineMachine.ChangeCoinCount(coinEntity, count);
_logger.Info(" before _db.SaveChanges()...");
_drinkRepository.SaveChanges();
}