@Override
    public void onOpened() {
        digestNotification();
    }
@Test
    public void onOpened_appVisible_clearNotificationsDrawer() throws Exception {
        verify(mNotificationManager, never()).cancelAll();
        setUpForegroundApp();

        final PushNotification uut = createUUT();
        uut.onOpened();

        verify(mNotificationManager, never()).cancelAll();
    }