[MERGE] [FIX] test ir.sequence: when testing the lock mechanism, verify the error based on an error code instead of the error message which is sensible to the locale of the system
[MERGE] [FIX] test ir.sequence: when testing the lock mechanism, verify the error based on an error code instead of the error message which is sensible to the locale of the system

akretion/openerp-server,akretion/openerp-server,akretion/openerp-server