Fix explicitly passing undefined as callback

test/commands/geoadd.spec.js

@@ -0,0 +1,35 @@
+'use strict';
+
+var config = require("../lib/config");
+var helper = require("../helper");
+var redis = config.redis;
+
+describe("The 'geoadd' method", function () {
+
+    helper.allTests(function(parser, ip, args) {
+
+        describe("using " + parser + " and " + ip, function () {
+            var client;
+
+            beforeEach(function (done) {
+                client = redis.createClient.apply(redis.createClient, args);
+                client.once("connect", function () {
+                    client.flushdb(done);
+                });
+            });
+
+            it('returns 1 if the key exists', function (done) {
+                helper.serverVersionAtLeast.call(this, client, [3, 2, 0]);
+                client.geoadd("mycity:21:0:location", "13.361389","38.115556","COR", function(err, res) {
+                    console.log(err, res);
+                    // geoadd is still in the unstable branch. As soon as it reaches the stable one, activate this test
+                    done();
+                });
+            });
+
+            afterEach(function () {
+                client.end();
+            });
+        });
+    });
+});