public void AddProductTest()
{
ProductInfo info = new ProductInfo("add desc", "add path", 2);
Product product = new Product("add name", 0, info);
_categories.AddProduct(6, "add name", info);
Assert.AreEqual(_categories.GetProductQuantityOfCategory(6), 2);
Assert.AreEqual(_categories.GetProduct(new Point(6, GetLastProductIndex(6))).IsEqual(product), true);
}
