public void SaveShouldWork()
{
var productID = Guid.NewGuid();
var product = new Product(productID)
{
Price = new Price(5.0m, "EUR")
};
repo.Add(product);
product.SetPrice(new Price(10m, "USD"));
repo.Save(product);
var rehydratedProduct = repo.GetByID(productID);
rehydratedProduct.Price.Should().Be(product.Price);
rehydratedProduct.Should().Be(product);
}
