added testbench for FromBit32
added testbench for FromBit32

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