@Test
public void getFactoriesByTypeIriTest() throws Exception {

    List<OrmFactory<? extends Thing>> result = registry.getFactoriesOfType(thingIRI);
    assertEquals(1, result.size());
    result = registry.getFactoriesOfType(aIRI);
    assertEquals(4, result.size());
    result = registry.getFactoriesOfType(bIRI);
    assertEquals(2, result.size());
    result = registry.getFactoriesOfType(cIRI);
    assertEquals(1, result.size());
}