}

    @Test
    public void test_createUserCodeFromUserId() {
        UserInfoHelper userInfoHelper = new UserInfoHelper();
        assertEquals("009ab986effa1a9664ada54eb81d7fce", userInfoHelper.createUserCodeFromUserId("a"));
        assertEquals("b17816944bb30c19cb3265480470288caaa93e36666527a57ca94d8a8b8d7b80",
                userInfoHelper.createUserCodeFromUserId("******@****.***"));