private SentinelConfig.Service getConfigForService(String serviceName, SentinelConfig config) {
        return config.service().stream().filter(service -> service.name().equals(serviceName)).findFirst().get();
    }
Test that a very simple config with only adminserver tag creates
adminserver, logserver, configserver and slobroks
config-model/src/test/java/com/yahoo/vespa/model/admin/AdminTestCase.java