shorten test so that buildbot does not time out with xsim
shorten test so that buildbot does not time out with xsim

chenm001/connectal,hanw/connectal,8l/connectal,chenm001/connectal,chenm001/connectal,hanw/connectal,csail-csg/connectal,8l/connectal,cambridgehackers/connectal,csail-csg/connectal,csail-csg/connectal,csail-csg/connectal,cambridgehackers/connectal,hanw/connectal,cambridgehackers/connectal,8l/connectal,cambridgehackers/connectal,8l/connectal,chenm001/connectal,hanw/connectal,csail-csg/connectal,hanw/connectal,chenm001/connectal,8l/connectal,cambridgehackers/connectal