create explicitely the predicates we want instead of relying on installation
of BTs (that could include unwanted predicates). This test hence tests
only the Tool, and not the BTs.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@41488 20353a03-c40f-0410-a6d1-a30d3c3de9de