@Test
public void onInactive_whenAfterUnbind_shouldNotCallStopAgain() {

  BehaviorRelay<InteractorEvent> lifecycle = BehaviorRelay.createDefault(InteractorEvent.ACTIVE);
  WorkerUnbinder unbinder = bind(lifecycle, worker);
  unbinder.unbind();
  verify(worker, times(1)).onStop();
  lifecycle.accept(InteractorEvent.INACTIVE);
  verify(worker, times(1)).onStop();
}