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Testing Products added and removed from Orders.
Summary of tests: ----------------- add product to cart change quantity of product in cart update product and add it to cart again checking version number add negative quantity to cart add 0 quantity to cart try saving duplicate variations try saving variation without full set of options change product price after it is in the cart cannot add non-published product to the cart customer members can add stuff to carts website visitors can add stuff to carts add product to cart and change price add product variation change quantity of variation add different variations for same product add product and variation to cart and check version add variation to cart with price change check cart totals
TODO ---- remove options from product and variaiton when the attribute is deleted Test saving a product with a new attribute, existing variations without this attribute should be disabled