Test on latest ruby as well.
Test on latest ruby as well.

PradheepShrinivasan/try.redis,badboy/try.redis,badboy/try.redis,NoellyB76/try.redis,badboy/try.redis,NoellyB76/try.redis,NoellyB76/try.redis,supasate/try.redis,PradheepShrinivasan/try.redis,PradheepShrinivasan/try.redis,supasate/try.redis,supasate/try.redis