@Test 
public void PropsListsOneWithNone() {

    int before = Util.sizePropsList();
    PropListsAssembler.open(null, spec1);
    int after = Util.sizePropsList();
    assertEquals(before+1, after);
    
    Resource listProp = ResourceFactory.createResource(SKOS.getURI()+"list1");
    List<Resource> pList = Util.getPropList(listProp);
    assertNotNull(pList);
    assertEquals(pList.size(), 0);
}