@Override
 protected void setUp() throws Exception {
   super.setUp();
   // Set a mock thread pool executor so we can run these tests knowing that doInBackground
   // has not been run.
   Fabric.with(
       new Fabric.Builder(getContext())
           .threadPoolExecutor(mock(PriorityThreadPoolExecutor.class))
           .kits(
               new TwitterCore(
                   new TwitterAuthConfig(TestFixtures.CONSUMER_KEY, TestFixtures.CONSUMER_SECRET)),
               new TweetUi())
           .build());
 }
 @Override
 protected void tearDown() throws Exception {
   FabricTestUtils.resetFabric();
   super.tearDown();
 }