Test that when an included tax is mapped by a fiscal position, the
included tax must be subtracted to the price of the product.
Inspired from 503820acb6
Prevent creating/modifying accounting entries made on close periods.
The period_id and journal_id field on a account.move.line is a related so was
silently (without write call) updated so did not triggered the call to
_update_journal_check while modiying the linked account.move
Force the check in the validation of the move. As the move can not be balanced
without going through this method, this will prevent posted entries in closed
accounting period.
Fixes#1633, opw 615886
Goffin Simon
Rifakat Haradwala
Xavier Morel
qdp-odoo
Martin Trigaux
Georges Racinet