public void ChangePriceTest()
        {
            Assert.AreEqual(_drink.Price, 120);

            _drink.ChangePrice(150);
            var result = RepositoryDrink.Get(_drink);

            Assert.IsNotNull(result);
            Assert.IsTrue(result.Entity.Equals(_drink));
            Assert.AreEqual(result.Entity.Price, 150);
        }