Test saving a model with sequelize

package.json

{
  "name": "test",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "start": "node test.js"
  },
  "dependencies": {
    "sequielize":"https://dl.dropboxusercontent.com/u/18947902/sequelize-github-master-201309221617.tar.gz",
    "pg": "~0.10.2",
    "async": "*"
  }
}

postgresScript.sql

create database sequelize_test;
create user sequelize_test with password 'foobar';
grant all on database sequelize_test to sequelize_test;

test.js

var Sequelize = require("sequelize");
var async = require("async");

var sequelize = new Sequelize('sequelize_test', 'sequelize_test', 'foobar', {
      dialect: 'postgres',
      omitNull: true
    });

var User = sequelize.define('User', {
  name: {
    type: Sequelize.STRING,
    allowNull: false,
    validate: {
      notEmpty: true,
      len: [6, 50],
    }
  },
  username: {
    type: Sequelize.STRING,
    unique: true,
    validate: {
      isAlphanumeric: true,
    }
  },
  gender: Sequelize.ENUM('Male', 'Female'),
  email: {
    type: Sequelize.STRING,
    unique: true,
    allowNull: false,
    validate: {
      isEmail: true,
      notEmpty: true
    }
  }
});

async.series([
    function(cb){
      User.sync().success(function(){
        cb();
      }).error(cb);
    },
    function(cb){
      var user = User.build({name: 'User Test', username: 'usertest', email: 'user@test.com'});
      user.save().success(function(u){
        console.log(u);
        cb();
      }).error(cb);
    }
  ],function(e){
  if (e){
    console.log(e);
    console.log('there was an error');
    process.exit(code=-1);
  } else {
    console.log('completed successfully');
    process.exit(code=0);    
  }
});