public void add_should_call_add_on_repository()
{
var heroToAdd = new HeroInput{Name="foo"};
_application.Add(heroToAdd);
_heroRepo.Verify(x=>x.Add(It.Is<Hero>(h=>h.Name == heroToAdd.Name)),Times.AtMostOnce);
}
public void Add(HeroInput hero)
{
_heroRepository.Add(new Hero{Name= hero.Name});
}