Testing mongoose pre-save with async

gistfile1.js

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

var MyS = new Schema({
  feeling: String
});
MyS.pre('save', function(done){
  async.parallel([
    function(c1){c1();},
    function(c1){c1();}
  ], function(err, res) {
    console.log('pre1');
    done(err);
  });
});
MyS.pre('save', true, function(next, done){
  next();
  async.parallel([
    function(c1){c1();},
    function(c1){c1();}
  ], function(err, res) {
    console.log('pre2');
    done(err);
  });
});
var My = mongoose.model('My', MyS);

describe("Testing async pre-save with async included", function(){
  before(function(done){
    var uri;

    uri = process.env.MONGOOSE_TEST_URI ||
      'mongodb://127.0.0.1:27017/test';

    mongoose.connect(uri);
    this.db = mongoose.connection;
    this.db.once('open', function(){
      done();
    });
    this.db.once('error', function (err) {
      done(err);
    });
  });
  after(function(){
    this.db.close();
  });
  it("should save the object", function(done){
    My.create({feeling: 'Love'}, function(err, stuff) {
      console.log('created');
      done(err);
    });
  });
});