update tests
update tests

keflavich/pyspeckit,jpinedaf/pyspeckit,low-sky/pyspeckit,vlas-sokolov/pyspeckit,pyspeckit/pyspeckit,pyspeckit/pyspeckit,allisony/pyspeckit,e-koch/pyspeckit,e-koch/pyspeckit,keflavich/pyspeckit,vlas-sokolov/pyspeckit,low-sky/pyspeckit,allisony/pyspeckit,jpinedaf/pyspeckit