Update signs to 0/1 instead of 1/-1 in tests
Update signs to 0/1 instead of 1/-1 in tests

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