Testcase to check if the pricelist of an order is updated correctly if the bpartner is changed.
Go to BPartner window and create a new one, or pick an already existing one (G000X)
Go to Location subtab and create a new location
right click on the line - advanced edit
Check a window where the address field is shown:
e.g. Create a new Sales order, add bpartner G000X and wait for Shipment Schedule