hwtest: setlinebuf.
hwtest: setlinebuf.

pierremoreau/envytools,karolherbst/envytools,pierremoreau/envytools,karolherbst/envytools,karolherbst/envytools,envytools/envytools,envytools/envytools,pierremoreau/envytools,karolherbst/envytools,envytools/envytools,pierremoreau/envytools,envytools/envytools,envytools/envytools,karolherbst/envytools,pierremoreau/envytools