public void assertCuratorConfig(TestRoot root) {
        CuratorConfig.Builder builder = new CuratorConfig.Builder();
        root.getConfig(builder, "admin/standalone/cluster-controllers");
        CuratorConfig config = builder.build();

        assertEquals(3, config.server().size());
        assertEquals("my.host1.com", config.server().get(0).hostname());
        assertEquals(2181, config.server().get(0).port());
        assertFalse(config.zookeeperLocalhostAffinity());
    }
Test for creating cluster controllers under the admin tag.
config-model/src/test/java/com/yahoo/vespa/model/admin/ClusterControllerTestCase.java