### Question:
CategoryServiceImpl implements CategoryService { public void saveCategory(Category category) { categoryMapper.saveCategory(category); }  @Transactional(propagation=Propagation.REQUIRED,readOnly=true) List<Category> listAllCategory(); Category selectCategoryById(int id); void saveCategory(Category category); void updateCategory(Category category); Category findCategoryById(int id);  }### Answer:
@Test public void saveCategory(){ categoryService.saveCategory(new Category("体育")); }