// Testing Case #8
  public void testOrphanFunctions() {
    final Bitmap bmp = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
    assertNotNull(bmp);

    final VideoThumbnailActor vActor = new VideoThumbnailActor(mActivity, 100);
    assertNotNull(vActor);

    final File externalFilesDir = mActivity.getExternalFilesDir(null);
    if (externalFilesDir != null) {
      final String bmpSavedName = externalFilesDir.toString() + "videoOrphanFunctionTest.bmp";
      final String filename = Util.dumpBitmap(bmp, bmpSavedName, null);
      assertTrue(filename.equals(bmpSavedName));
    }
  }