Otherwise the anglo saxon entries won't be correct.
For example, the Interim (Delivered) account should balance
after receiving and triggering a refund on a customer rma.
[FIX] rma: rma_custmer_user has no write permissions in partner, so compute method fails.
[IMP] rma: use rma user in tests
[FIX] rma_account: move_line_id field string
[IMP] rma, rma_account, rma_sale, rma_purchase: tests for stock valuation
[FIX] account_move_line_rma_order_line: minor lint, make auto-install
