mongoose GH-241 non-failing example

GH-241.js

var mongoose = require('mongoose')
, Schema = mongoose.Schema ;

mongoose.connect('mongodb://localhost/test');

var ContactNameSchema = new Schema({    
    familyName: String,
    givenName: String
});

var ContactSchema  = new Schema({
  name: [ContactNameSchema]
});

var Contact = mongoose.model('Contact', ContactSchema);

var contact = new Contact();
contact.name.push({
  familyName: '', 
  givenName: '', 
  SOME_EXTRA_ACCIDENTAL_FIELD: ''
});
contact.save(function (err) {
  if (err) throw err;
  mongoose.disconnect();
});