Added testing for parsing SCAN and similar.
Added testing for parsing SCAN and similar.

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