}
@Test
public void testDeleteClassOfTString() {
Product prod1 = create("code1", "aaa");
Product prod2 = create("code2", "bbb");
asyncPersiter.put(prod1, prod2).get();
asyncPersiter.delete(Product.class, prod1.getCode()).get();
asyncPersiter.delete(Product.class, prod2.getCode()).get();
}