- sla file has a field my_other_date with an empty infobulle, so it was not
  possible to have something working with this. So I complete it.
  - correct some mistakes in test file
Now it should be possible to pass this test


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@21618 20353a03-c40f-0410-a6d1-a30d3c3de9de