accounting_l10n_fr: more fixes for FEC

See merge request !1767
9 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

00:50:02

passed ERP5.PerformanceTest-Master

00:26:53

failed ERP5.UnitTest-Master

01:16:35

failed ERP5.UnitTest-Zope2

03:54:25

passed SlapOS.Eggs.UnitTest-Master.Python2

00:12:41

passed SlapOS.Eggs.UnitTest-Master.Python3

00:15:22

passed Wendelin.UnitTest-Master

00:33:27

passed SlapOS.Eggs.UnitTest-Master.Python2

00:12:52

passed SlapOS.Eggs.UnitTest-Master.Python3

00:13:45