CreatePurchaseSteps.cs

[When(@"add products")]
public void NavigateToItemUrl(Table productsTable)
{
    var itemPage = UnityContainerFactory.GetContainer().Resolve<ItemPage>();
    IEnumerable<dynamic> products = productsTable.CreateDynamicSet();
    foreach (var product in products)
    {
        itemPage.Navigate(string.Concat(product.Url, "?", product.AffilicateCode));
        itemPage.ClickBuyNowButton();
    }
}