@Test
public void saveName() {

  sayHelloPresenter = new SayHelloPresenter(sayHelloView);
  sayHelloPresenter.saveName(FIRST_NAME, LAST_NAME);
  // Because of stupidly dependent creation of Model in Presenter, we can not test Model behavior.
  // OK, test View instead
  sayHelloPresenter.loadMessage();
  verify(sayHelloView).showMessage("Hi " + FIRST_NAME + " " + LAST_NAME + "!");
}