@Test public void shouldGetById() throws Exception { repository.getById(2L); verify(mapper).getById(2L); }
public VaccineDisease getById(Long id) { return mapper.getById(id); }
DiseaseRepository { public VaccineDisease getById(Long id) { return mapper.getById(id); } }
DiseaseRepository { public VaccineDisease getById(Long id) { return mapper.getById(id); }  }
DiseaseRepository { public VaccineDisease getById(Long id) { return mapper.getById(id); }  void update(VaccineDisease disease); void insert(VaccineDisease disease); List<VaccineDisease> getAll(); VaccineDisease getById(Long id); }
DiseaseRepository { public VaccineDisease getById(Long id) { return mapper.getById(id); }  void update(VaccineDisease disease); void insert(VaccineDisease disease); List<VaccineDisease> getAll(); VaccineDisease getById(Long id);  }