anchor.diff:  	{client,Client} = lists:keyfind(client, 1, Config),
   	ERR_NUM_ARGS = ?ERR_NUM_ARGS(<<"ZINCRBY">>),
   	%% Non existing zset
  -	<<"5">> = erldis_client:sr_scall(Client,[<<"zincrby">>,<<"nonexist">>,5,<<"xyz">>]),
  +	<<"5">> = erldis_client:sr_scall(Client,[<<"zincrby">>,<<"newzset">>,5,<<"xyz">>]),
  +	[<<"xyz">>] = erldis_client:scall(Client,[<<"zrange">>,<<"newzset">>,0,-1]),
  +	%% Increment and decrement
  +	<<"2">> = erldis_client:sr_scall(Client,[<<"zincrby">>,<<"zset">>,2,<<"foo">>]),
  +	<<"1">> = erldis_client:sr_scall(Client,[<<"zincrby">>,<<"zset">>,1,<<"bar">>]),
  +	[<<"bar">>,<<"foo">>] = erldis_client:scall(Client,[<<"zrange">>,<<"zset">>,0,-1]),
  +	<<"11">> = erldis_client:sr_scall(Client,[<<"zincrby">>,<<"zset">>,10,<<"bar">>]),
  +	<<"-3">> = erldis_client:sr_scall(Client,[<<"zincrby">>,<<"zset">>,-5,<<"foo">>]),
  +	<<"6">> = erldis_client:sr_scall(Client,[<<"zincrby">>,<<"zset">>,-5,<<"bar">>]),
  +	[<<"foo">>,<<"bar">>] = erldis_client:scall(Client,[<<"zrange">>,<<"zset">>,0,-1]),
  +	<<"-3">> = erldis_client:sr_scall(Client,[<<"zscore">>,<<"zset">>,<<"foo">>]),
  +	<<"6">> = erldis_client:sr_scall(Client,[<<"zscore">>,<<"zset">>,<<"bar">>]),
   	%% Element can't be set to NaN with ZINCRBY
   	?ERR_NOTDOUBLE = erldis_client:sr_scall(Client,[<<"zincrby">>,<<"ztmp">>,<<"nan">>,<<"x">>]),
   	%% ZINCRBY does not work variadic 
  
positive.code: 	ERR_NUM_ARGS_ZRANK = erldis_client:sr_scall(Client,[<<"zrank">>,<<"ztmp">>,<<"x">>,<<"z">>]),
  	ERR_NUM_ARGS_ZREVRANK = erldis_client:sr_scall(Client,[<<"zrevrank">>]),
  	ERR_NUM_ARGS_ZREVRANK = erldis_client:sr_scall(Client,[<<"zrevrank">>,<<"ztmp">>]),
  	ERR_NUM_ARGS_ZREVRANK = erldis_client:sr_scall(Client,[<<"zrevrank">>,<<"ztmp">>,<<"x">>,<<"z">>]).
negative.code: -define(ERR_BAD_KEY, {error,<<"ERR Operation against a key holding the wrong kind of value">>}).
  
  all() -> [zadd,zincrby,zcard,zrem,zrange,
  					zrevrange,zrank_zrevrank,zcount,
  					zrangebyscore_zrevrangebyscore].
  
  init_per_suite(Config) ->
  	{ok,Client} = connect_erldis(10),
  