public static boolean isWithScoresArg(byte[] arg) {
      return Util.isAsciiBytesEquals(WITHSCORES, arg);
   }
@Test
    public void testWithScoresArg() {
        assertThat(ZSetCommonUtils.isWithScoresArg("withscores".getBytes())).isTrue();
        assertThat(ZSetCommonUtils.isWithScoresArg("WITHSCORES".getBytes())).isTrue();
        assertThat(ZSetCommonUtils.isWithScoresArg("WIthScoreS".getBytes())).isTrue();
        assertThat(ZSetCommonUtils.isWithScoresArg("withscore".getBytes())).isFalse();
        assertThat(ZSetCommonUtils.isWithScoresArg("WITHSCORE".getBytes())).isFalse();
    }