update test_preassembler to deal with strange conflict issue caused by not branching off of master
update test_preassembler to deal with strange conflict issue caused by not branching off of master

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