def test_add_already_added(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()
        prio_set_list.add(0, obj)

        with pytest.raises(ValueError) as excinfo:
            prio_set_list.add(0, obj)
        excinfo.match(r"has already been added")

        with pytest.raises(ValueError) as excinfo:
            prio_set_list.add(1, obj)
        excinfo.match(r"has already been added")
def test_cnli(fake_qtile, patched_cnli, fake_window):
    widget = patched_cnli.CapsNumLockIndicator()
    fakebar = FakeBar([widget], window=fake_window)
    widget._configure(fake_qtile, fakebar)
    text = widget.poll()

    assert text == "Caps off Num on"