added features for test control over pygr data path
added features for test control over pygr data path

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