SongItemLoader extends AsyncTaskLoader<HashMap<String, List<Song>>> { @Override protected void onStartLoading() { super.onStartLoading(); forceLoad(); } SongItemLoader(Context context, OnPlaylistLoaded callback); @Override HashMap<String, List<Song>> loadInBackground();  }
@Test public void test_startLoading() { loader.onStartLoading(); verify(loader).forceLoad(); }