public static RedissonClient create() {
        Config config = new Config();
        config.useSingleServer()
        .setAddress("redis://127.0.0.1:6379");
        return create(config);
    }
@Test
    public void testConfigValidation() {
        Assertions.assertThrows(IllegalArgumentException.class, () -> {
            Config redissonConfig = createConfig();
            redissonConfig.useSingleServer()
                    .setConnectionPoolSize(2);
            Redisson.create(redissonConfig);
        });
    }