How to run jQuery against promises A+ test suite in nodejs

runtest.js

var tester = require('promises-aplus-tests');
var jq = require('jquery');
var jsdom = require('jsdom');
jsdom.env('<p></p>', function(err, window) {
  if (err != null) {
    throw err;
  } else {
    var $ = jq(window);
    var arg = {
      deferred: $.Deferred
    };
    tester(arg, function(err) {
      if (err) {
        console.log(err);
      }
    });
  }
});