fixes remaining bug in hr_timesheet_invoice.test_multi_company when the tests are run at the same time as the others tests
[FIX] bug in test related to lp:1067541, hr_timesheet_invoice.test_multi_company
[FIX] bug in test related to lp:1067541, hr_timesheet_invoice.test_multi_company
Merge branch 'rs-ocb-7.0' of github.com:akretion/openerp-addons into rs-ocb-7.0