@Test
    public void testSortOrderCleanup() {
        ObservableList<ObservablePerson> persons = ObservablePerson.createFXPersonList();
        TableView<ObservablePerson> table = new TableView<ObservablePerson>(persons);
        TableColumn<String> first = new TableColumn<String>("first");
        first.setProperty("firstName");
        TableColumn<String> second = new TableColumn<String>("second");
        second.setProperty("lastName");
        table.getColumns().addAll(first, second);
        table.getSortOrder().setAll(first, second);
        table.getColumns().remove(first);
        assertEquals(false, table.getSortOrder().contains(first));
    }