@Test
public void fillBeanTest() {

    Map<List<String>, Object> paramsToSet = new HashMap<>();
    paramsToSet.put(Arrays.asList("creator", "firstName"), FIRST_NAME);
    paramsToSet.put(Arrays.asList("creator", "age"), AGE);
    Object result = ScenarioBeanUtil.fillBean(errorEmptyMessage(), Dispute.class.getCanonicalName(), paramsToSet, classLoader);
    assertTrue(result instanceof Dispute);
    Dispute dispute = (Dispute) result;
    assertEquals(dispute.getCreator().getFirstName(), FIRST_NAME);
    assertEquals(dispute.getCreator().getAge(), AGE);
}