public void displayGiant(GiantModel giant) {
    LOGGER.info(giant.toString());
  }
@Test
  void testDisplayGiant() {
    final var view = new GiantView();

    final var model = mock(GiantModel.class);
    view.displayGiant(model);

    assertEquals(model.toString(), appender.getLastMessage());
    assertEquals(1, appender.getLogSize());
  }