@Test public void testOnCancel() { target.onCancel(null); }
@Test public void testOnFailure() { target.onFailure(null, null); }
@Test public void testOnSuccess() { target.onSuccess(null, null); }
@Test public void testOnProgress() { target.onProgress(0, 0); }
@Test public void testOnEnd() { target.onEnd(); }
@Test public void testOnStart() { target.onStart(); }