fix lex tests maybe

src/database/mongo/sorted.js

@@ -582,7 +582,7 @@ module.exports = function (db, module) {
 		sortedSetLex(key, min, max, 1, start, count, callback);
 	};
 
-	module.getSortedSetRevRangeByLex = function (key, min, max, start, count, callback) {
+	module.getSortedSetRevRangeByLex = function (key, max, min, start, count, callback) {
 		sortedSetLex(key, min, max, -1, start, count, callback);
 	};
 
@@ -599,7 +599,7 @@ module.exports = function (db, module) {
 			count = 0;
 		}
 
-		var query = {_key: key, value: {}};
+		var query = {_key: key};
 
 		if (min !== '-') {
 			if (min.match(/^\(/)) {

src/database/redis/sorted.js

@@ -302,7 +302,9 @@ module.exports = function (redisClient, module) {
 
 	module.sortedSetRemoveRangeByLex = function (key, min, max, callback) {
 		callback = callback || helpers.noop;
-		sortedSetLex('zremrangebylex', false, key, min, max, callback);
+		sortedSetLex('zremrangebylex', false, key, min, max, function (err) {
+			callback(err);
+		});
 	};
 
 	module.sortedSetLexCount = function (key, min, max, callback) {

test/database/sorted.js

@@ -19,7 +19,7 @@ describe('Sorted Set methods', function () {
 				db.sortedSetAdd('sortedSetTest3', [2, 4], ['value2', 'value4'], next);
 			},
 			function (next) {
-				db.sortedSetAdd('sortedSetLex', [0, 0, 0, 0], ['a', 'b', 'c', 'd'], done);
+				db.sortedSetAdd('sortedSetLex', [0, 0, 0, 0], ['a', 'b', 'c', 'd'], next);
 			}
 		], done);
 	});