Move hq_usual_vault_incomming stock checks out of checkFinalInventory since it's not constant anymore.
Add checks for incomming banknotes stocks.
Clear HQ module at test end, after all sotck checks are done.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18939 20353a03-c40f-0410-a6d1-a30d3c3de9de