@Override
 public void verifyResult() {
   MediaSet sub = mAlbumSet.getSubMediaSet(0);
   LocalMediaItem item = (LocalMediaItem) sub.getMediaItem(0, 1).get(0);
   assertEquals(1, sub.getMediaItemCount());
   assertTrue((sub.getSupportedOperations() & MediaSet.SUPPORT_DELETE) != 0);
   sub.delete();
   sub.reload();
   assertEquals(0, sub.getMediaItemCount());
 }
 @Override
 public void verifyResult() throws Exception {
   MediaSet sub = mAlbumSet.getSubMediaSet(1); // "second"
   assertEquals(2, mAlbumSet.getSubMediaSetCount());
   OnContentDirtyLatch latch = new OnContentDirtyLatch();
   sub.addContentListener(latch);
   assertTrue((sub.getSupportedOperations() & MediaSet.SUPPORT_DELETE) != 0);
   sub.delete();
   mAlbumSet.fakeChange();
   latch.isOnContentDirtyBeCalled(DEFAULT_TIMEOUT);
   mAlbumSet.reload();
   assertEquals(1, mAlbumSet.getSubMediaSetCount());
 }