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in the cart page, I have an upsell block with products in it.
when I add a product to the cart from the upsell block, the ajax cart block is updated, i get all the ui messages, but the cart page isn't updated. Then when I click on the checkout button, the products arn't there (it takes the current info from the cart pane).
in addition once I click update cart - the upsell block disappears.