erp5_wendelin: add missing form

12 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS-Master.UnitTest-Master

03:07:42

failed SlapOS-Master.UnitTest-Master

00:21:51

failed SlapOS-Master.UnitTest-Master

00:27:35

failed SlapOS-Master.UnitTest-Master

00:26:42

failed SlapOS-Master.UnitTest-Master

03:30:46

failed SlapOS-Master.UnitTest-Master

03:15:57

failed SlapOS-Master.UnitTest-Master

03:21:50

failed SlapOS-Master.UnitTest-Master

00:23:25

failed SlapOS-Master.UnitTest-Master

03:41:24

failed SlapOS-Master.UnitTest-Master

03:21:59

failed SlapOS-Master.UnitTest-Master

03:18:51

failed SlapOS-Master.UnitTest-Master

00:20:31