public VespaModel createModel(Zone zone, String services, boolean failOnOutOfCapacity, String ... retiredHostNames) {
        return createModel(zone, services, failOnOutOfCapacity, false, false, NodeResources.unspecified(), 0,
                           Optional.empty(), new DeployState.Builder(), retiredHostNames);
    }
Creates a model which uses 0 as start index
config-model/src/test/java/com/yahoo/vespa/model/test/VespaModelTester.java