Add tests for re-subscribing
Add tests for re-subscribing

thorsteinsson/ioredis,xuyanxiang/ioredis,AlphaStaxLLC/ioredis,phlip9/ioredis,alsotang/ioredis,DynamicYield/ioredis,AVVS/ioredis,paskakaska/ioredis,dguo/ioredis,pensierinmusica/ioredis,luin/ioredis,albin3/ioredis,luin/ioredis,nswbmw/ioredis,fracmak/ioredis,DynamicYield/ioredis,ColmHally/ioredis,luin/ioredis,mtlima/ioredis,suprememoocow/ioredis