def test_move_to_prev_monitor():
    console_file = open(os.path.join('.', 'test-resources', 'zoneminder-xml-console.xml'))
    tracker = ZmGroupTracker(console_file)
    monitors = tracker.get_current_group_monitors()
    monitor = tracker.move_to_prev_monitor()
    assert (monitor == monitors[len(monitors) - 1])