All tests pass

lib/model.js

@@ -24,7 +24,6 @@ var util = require('util')
  * But you really need to want it to trigger such behaviour, even when warned not to use '$' at the beginning of the field names...
  */
 function checkKey (k, v) {
-
   if (typeof k === 'number') {
     k = k.toString();
   }

test/model.test.js

@@ -11,7 +11,7 @@ var model = require('../lib/model')
 
 describe('Model', function () {
 
-  describe.only('Serialization, deserialization', function () {
+  describe('Serialization, deserialization', function () {
 
     it('Can serialize and deserialize strings', function () {
       var a, b, c;