code: function (ticks, error) {
      return typeof error === 'function' ?
        new Recorded(ticks, new OnErrorPredicate(error)) :
        new Recorded(ticks, Notification.createOnError(error));
    }
docs: Factory method for an OnError notification record at a given time with a given error.
  
  1 - ReactiveTest.onNext(200, new Error('error'));
  2 - ReactiveTest.onNext(200, function (e) { return e.message === 'error'; });
  
  @param ticks Recorded virtual time the OnError notification occurs.
  @param exception Recorded exception stored in the OnError notification.
  @return Recorded OnError notification.