### Question:
LoginInteractorImpl implements LoginInteractor { @Override public void doCheckAuthenticated() { mRepository.checkAuthenticated(); } LoginInteractorImpl(); @VisibleForTesting  LoginInteractorImpl(LoginRepository repository); @Override void doSignIn(String email, String password); @Override void doSignUp(String email, String password); @Override void doCheckAuthenticated();  }### Answer:
@Test public void testDoCheckAuthenticated() throws Exception { mImplementor.doCheckAuthenticated(); verify(mRepository).checkAuthenticated(); }