title: Android + robolectric test status of final class modified in asyncronous callback
body: <p>Its simply...
  I want to test that when my class has finished, the callback its called and inside the callback i modified the status of my view (View.class), how can i do this with robolectric and mockito?</p>
  
  <pre><code>animator.addPushOutAnimationListener(new AnimatorListenerAdapter() {
              @Override
              public void onAnimationEnd(Animator animation) {
                  view.setVisibility(View.GONE);
              }
          });
  </code></pre>