public Ap01 createAp01(String bsn) {
        Ap01 ap01 = new Ap01();
        Container container = new Container();
        container.setNummer(CategorieUtil.CATEGORIE_IDENTIFICATIENUMMERS);

        Element bsnElement = new Element();
        bsnElement.setNummer(CategorieUtil.ELEMENT_BURGERSERVICENUMMER);
        bsnElement.setValue(bsn);

        container.getElement().add(bsnElement);
        ap01.getCategorie().add(container);
        ap01.setHerhaling(0);
        ap01.setRandomKey("SSSSSSSS");

        return ap01;
    }
@Test
    public void testCreateAp01Test(){
        String testBsn = "SSSSSSSSS";
        Ap01 result = classUnderTest.createAp01(testBsn);

        assertEquals(testBsn, CategorieUtil.findBsn(result.getCategorie()));
        assertEquals(0, result.getHerhaling());
        assertEquals("SSSSSSSS", result.getRandomKey());
    }