Renaming to state_name
WIP: Extract order cycle fee calculations to EnterpriseFeeCalculator
WIP: Call fees_for on EnterpriseFeeCalculator
WIP: Call create_line_item_adjustments_for on EnterpriseFeeCalculator
WIP: Call create_order_adjustments_for on EnterpriseFeeCalculator
Calculate fee breakdown
Link variants -> products, fixes group buy
Replace sleep with wait, add cart_dirty spec helper