code: function (expected, hash, title) {
      var deferred = Q.defer();
      this.events.emit('driver:message', {key: 'title', expected: expected, hash: hash, value: JSON.parse(title).value});
      deferred.resolve();
      return deferred.promise;
    }
docs: Sends out an event with the results of the `title` call
  
  @method _titleCb
  @param {string} expected Expected page title
  @param {string} hash Unique hash of that fn call
  @param {string} title Serialized JSON with the results of the title call
  @return {object} promise Title promise
  @private