public void checkJedisIsReusedWhenReturned() {
ShardedJedisPool pool = new ShardedJedisPool(
new GenericObjectPoolConfig(), shards);
ShardedJedis jedis = pool.getResource();
jedis.set("foo", "0");
pool.returnResource(jedis);
jedis = pool.getResource();
jedis.incr("foo");
pool.returnResource(jedis);
pool.destroy();