public VespaModel createModel(String services, boolean failOnOutOfCapacity, NodeResources defaultResources,
                                  int startIndexForClusters, String ... retiredHostNames) {
        return createModel(Zone.defaultZone(), services, failOnOutOfCapacity, false, false,
                           defaultResources, startIndexForClusters,
                           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