@Test
public void getLists() {

    ListValue lv = PropertyValue.createList();
    PropertyValue val = PropertyValue.createList("k");
    lv.addPropertyValue(val);
    PropertyValue val2 = PropertyValue.createObject("k2");
    lv.addPropertyValue(val2);
    assertThat(lv.getLists()).isNotEmpty().hasSize(1);
}