@Override
    public Config getConfig() {
        return config;
    }
@Test
    public void testSingleConfigYAML() throws IOException {
        RedissonClient r = createInstance();
        String t = r.getConfig().toYAML();
        Config c = Config.fromYAML(t);
        assertThat(c.toYAML()).isEqualTo(t);
    }