### Question:
NotificationInteractor extends ValueInteractor<Notification> { @Override protected boolean canUpdate() { return false; } NotificationInteractor(@NonNull final Context context); void clear(); void onNext(@NonNull final Notification notification); Observable<Notification> filter(@NonNull @Notification.Type final String type);  }### Answer:
@Test public void canUpdate() throws Exception { assertThat(notificationInteractor.canUpdate(), equalTo(false)); }