HAWQ-1719. Reopen unittest in hawq
HAWQ-1719. Reopen unittest in hawq

jianlirong/incubator-hawq,jianlirong/incubator-hawq,jianlirong/incubator-hawq,jianlirong/incubator-hawq,jianlirong/incubator-hawq,jianlirong/incubator-hawq,jianlirong/incubator-hawq,jianlirong/incubator-hawq