sentinel_test: increase timeout to make build more reliable.
sentinel_test: increase timeout to make build more reliable.

HatsuneMiku3939/redis,d4rk5eed/redis,adjust/redis,vmihailenco/redis,jackyan/redis-1,HatsuneMiku3939/redis,HatsuneMiku3939/redis,HatsuneMiku3939/redis,superkinglabs/redis,icha024/redis,cw2018/redis-1,go-redis/redis,eyalpost/redis,linkedin-inc/redis,go-redis/redis,SocialExplorerFork/redis