Add explicit test of evidence filter.
Add explicit test of evidence filter.

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