### Question:
ProductServiceImpl implements ProductService { @Override public Result createBrand(BrandInsertReq brandInsertReq) { checkBrandParam(brandInsertReq); BrandInsertReq brand = makeBrandInsert(brandInsertReq); int result = brandDAO.createBrand(brand); if (result == 0){ throw new CommonBizException(ExpCodeEnum.BRADN_CREATE_FAIL); } return Result.newSuccessResult(); }  @Override Result createProduct(ProdInsertReq prodInsertReq); @Override Result updateProduct(ProdUpdateReq prodUpdateReq); @Override Result<List<ProductEntity>> findProducts(ProdQueryReq prodQueryReq); @Override Result createCategoty(CategoryEntity categoryEntity); @Override Result modifyCategory(CategoryEntity categoryEntity); @Override Result deleteCategory(String categoryId); @Override Result createBrand(BrandInsertReq brandInsertReq); @Override Result modifyBrand(BrandInsertReq brandInsertReq); @Override Result<List<CategoryEntity>> findCategorys(CategoryQueryReq categoryQueryReq); @Override Result<List<BrandEntity>> findBrands(BrandQueryReq brandQueryReq); void checkBrandParam(BrandInsertReq brandInsertReq);  }### Answer:
@Test public void testCreateBrand(){ BrandInsertReq brandInsertReq = new BrandInsertReq(); brandInsertReq.setBrand("学长"); brandInsertReq.setBrandLogoUrl("XXXX.abc"); brandInsertReq.setCompanyEntityId("USER680519fdf9e04d38aef2ceeb10ebb561"); productService.createBrand(brandInsertReq); }