anchor.diff:    ok;
   init_per_round(Fun, _Keys) when Fun =:= zcount_m;
                                   Fun =:= zrange_m;
  +                                Fun =:= zrem;
                                   Fun =:= zrangebyscore_m ->
     edis_db:run(
       edis_db:process(0),
  
positive.code:   catch edis_db:run(
      edis_db:process(0),
      #edis_command{cmd = <<"ZRANK">>, args = [?KEY, Key], group = zsets, result_type = number}).
  
negative.code:                   args = [?KEY, [{1.0 * I, edis_util:integer_to_binary(I)} || I <- lists:seq(1, 10000)]],
                    group = zsets, result_type = number}),
    ok;
  init_per_round(Fun, Keys) when Fun =:= zrank;
                                 Fun =:= zrem_one ->
    edis_db:run(
      edis_db:process(0),
      #edis_command{cmd = <<"ZADD">>,
  