node-resourceful before update fail

hooks-before-fail-test.js

var assert = require('assert'),
    vows = require('vows'),
    resourceful = require('../lib/resourceful');

vows.describe('resourceful/hooks/sync').addBatch({
  "a Resource (update)": {
    topic: function () {
      return resourceful.define('ResourceUpdate', function () {
        this.property('name');
        this.property('full');
        this.prototype.getName = function() {
          return this.name + "1"
        }
      });
    },
    "synchronous 'before' hooks on `update`": {
      topic: function (R) {
        var that = this;
        that.run = 1;
        R.before('update', function (obj) {
          that.run *= 2;
          obj.counter *= 2;
          obj.full = obj.getName();
          return true;
        });
        return R;
      },
      "when using an instance method in a hook on a Resource ": {
        topic: function (R) {
          self = this
          resource = new(R)({ id: '2013', counter: 0, name: 'a-name' })
          resource.save(function(e, i){
            resource.update({counter:0}, function (e, res) {
              self.callback(e, res);
            })
          });
        },
        "should be able to use instance methods within a callback": function (e, res) {
          assert.isNull(e);
          assert.equal(res.counter, 0);
          assert.equal(this.run, 2);
          assert.equal(res.getName(), res.full);
        }
      }
    }
  }
}).export(module);