source: class SayHelloPresenterTest {
  
    public static final String FIRST_NAME;
    public static final String LAST_NAME;
    @Mock
    private SayHelloContract.View sayHelloView;
    private SayHelloContract.Presenter sayHelloPresenter;
  
    @Test
    public void loadMessage() {
  
target:     sayHelloPresenter = new SayHelloPresenter(sayHelloView);
      sayHelloPresenter.loadMessage();
      verify(sayHelloView).showError(
          "No person name found."); // Person Object has just created but no data.
    }
  
  }