@Test
    void config_does_not_apply_to_flat_hierarchy_clusters() {
        ClusterFixture fixture = createFixtureForAllUpFlatCluster(5, 0.99);

        assertEquals("distributor:5 storage:5", fixture.generatedClusterState());

        assertEquals("distributor:5 storage:5 .1.s:d",
                stateAfterStorageTransition(fixture, 1, State.DOWN));
    }
Use a per-group availability requirement ratio of 99%. Ensure that taking down a single
node out of 5 in a flat hierarchy does not take down the cluster, i.e. the config should
not apply to a flat structure.
clustercontroller-core/src/test/java/com/yahoo/vespa/clustercontroller/core/GroupAutoTakedownTest.java