Before this fix: Receipts printed with kitchen/preparation printer does not show the details of variants products. Just the product template name. This is ambigious for kitchen as the variant information is generally necessary in order to prepare the order correctly After this fix: Restore the previous behavior regarding the product name used This bug is a side effect of: https://github.com/odoo/odoo/pull/152213 due to the changes to `set_full_product_name` Was also a good occasion to add some tests on the changes name & qty opw-3755391 closes odoo/odoo#156390 Signed-off-by: Vlad Stroia (vlst) <vlst@odoo.com>