suppress some annoying verbose messages during testing
suppress some annoying verbose messages during testing

RitwikGupta/pygr,cjlee112/pygr,RitwikGupta/pygr,ctb/pygr,ctb/pygr,ctb/pygr,cjlee112/pygr,theoryno3/pygr,theoryno3/pygr,cjlee112/pygr,GenDataPro/pygr,cjlee112/pygr,theoryno3/pygr,ctb/pygr,GenDataPro/pygr,GenDataPro/pygr,RitwikGupta/pygr,ctb/pygr