def wrap_products(products)
      Array.wrap(products[:product_sales_tax_rate]).map do |product|
        ProductSalesTaxRate.new(attributes_to_symbols(product))
      end
    end
def wrap_products(products)
      Array.wrap(products[:product_sales_tax_rate]).map do |product|
        ProductSalesTaxRate.new(attributes_to_symbols(product))
      end
    end
Wraps each +ProductSalesTaxRates+ node with
 ShipCompliant::ProductSalesTaxRate