updated tests
updated tests

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