code: function (fnName, hash, uuid) {
      var deferred = Q.defer();
      this.events.emit('driver:message', {key: fnName, value: null, uuid: uuid, hash: hash});
      deferred.resolve();
      return deferred.promise;
    }
docs: Creates a driver notification with an empty value
  TODO: Name is weird, should be saner
  
  @method _generateDummyDriverMessageFn
  @param {string} fnName Name of the webdriver function that should be called
  @param {string} hash Unique action hash
  @param {string} uuid Unique action hash
  @return {object} promise Driver message promise
  @private