    @Test
    public void invalidIban() {


        mockRestServiceServer
                .expect(requestTo("https://openiban.com/validate/NL28XXXX389242218?getBIC=true&validateBankCode=true"))
                .andRespond(withSuccess(new ClassPathResource("NL28XXXX389242218-result.json"), MediaType.APPLICATION_JSON));

        IBANValidationResult result = client.validate("NL28XXXX389242218");
        assertFalse(result.isValid());
    }