assertEquals(1, redisZset.rangeByScore(18, 18).size());
assertEquals(4, redisZset.rangeByScore(18, 19).size());
assertEquals(1, redisZset.rangeByScore(21, 21).size());
assertEquals(1, redisZset.rangeByScore(36, 36).size());
assertEquals(4, redisZset.rangeByScore(36, 38).size());
assertEquals(1, redisZset.rangeByScore(42, 42).size());
assertEquals(1, redisZset.rangeByScore(18, 18).size());
assertEquals(4, redisZset.rangeByScore(18, 19).size());
assertEquals(1, redisZset.rangeByScore(31, 31).size());