@Test
    void reported_down_node_within_transition_time_has_maintenance_generated_state() {
        do_test_change_within_node_transition_time_window_generates_maintenance(State.DOWN);
    }
Maintenance mode overrides all reported states, even Down.
clustercontroller-core/src/test/java/com/yahoo/vespa/clustercontroller/core/ClusterStateGeneratorTest.java