public void QuitaCalidadTest(int quality, int qualityResult, int cantidad)
{
var item = new Item {
Name = "Normal Product", SellIn = 1, Quality = quality
};
IList <Item> Items = new List <Item> {
item
};
GildedRose app = new GildedRose(Items);
// MetodoPrivate(app, "QuitaCalidad", new object[] { item, cantidad });
// AssertExtender.InvokePrivateMethod(app, "QuitaCalidad", new object[] { item, cantidad });
app.InvokePrivateMethod("QuitaCalidad", new object[] { item, cantidad });
Assert.AreEqual(qualityResult, item.Quality);
}