[test fix] attach-test passes with latest vows
[test fix] attach-test passes with latest vows

meleslilijing/director,mylikes/director,GerHobbelt/director,webx32/director,pandoraui/director,kiritoe/director,maxogden/director,flatiron/director,stonegithubs/director,meleslilijing/director,vitalsource/director,GerHobbelt/director,sheldonzf/director,sheldonzf/director,pandoraui/director,kiritoe/director,cpg1111/director,lzhengms/director,andradedev/director,andradedev/director,vitalsource/director,ks3dev/director,stonegithubs/director,noxryan/director,pocketjoso/director,ks3dev/director,webx32/director,mylikes/director,fadeit/director,cpg1111/director,lzhengms/director,pocketjoso/director,tanzhihang/director,tanzhihang/director,fadeit/director