text: 
  /**
   * Expose `eio` global.
   */
  
  global.eio = require('../index');
  
  /**
   * Expose client.
   */
  
  global.eioc = require('engine.io-client');
  
  /**
   * Expose `request` global.
   */
  
  global.request = require('superagent');
  
  /**
   * Expose `expect` global
   */
  
  global.expect = require('expect.js');
  
  /**
   * Listen shortcut that fires a callback on an epheemal port.
   */
  
  global.listen = function (opts, fn) {
    if ('function' == typeof opts) {
      fn = opts;
      opts = {};
    }
  
    var e = global.eio.listen(null, opts, function () {
      fn(e.httpServer.address().port);
    });
  
    return e;
  };
  
  /**
   * Sprintf util.
   */
  
  require('s').extend();
  