TriggerLocation extends Trigger { @Override public Optional<Integer> icon() { return Optional.of(R.drawable.ic_location_on); } TriggerLocation(); private  TriggerLocation(TriggerLocation triggerLocation); @Override synchronized boolean shouldRun(); @Override synchronized String toJSON(); @Override int friendlyName(); @Override String friendlyDescription(); @Override Optional<Integer> icon(); @Override Trigger duplicate(); @Override void generateDialog(LinearLayout root, FragmentManager fragmentManager);  }
@Test public void iconTest() { Assert.assertEquals(Optional.of(R.drawable.ic_location_on), new TriggerLocation().icon()); }