Add a test for pysb with kappa format.
Add a test for pysb with kappa format.

johnbachman/belpy,sorgerlab/belpy,johnbachman/belpy,sorgerlab/belpy,johnbachman/indra,johnbachman/indra,bgyori/indra,sorgerlab/belpy,johnbachman/indra,sorgerlab/indra,johnbachman/belpy,bgyori/indra,bgyori/indra,sorgerlab/indra,sorgerlab/indra