public static VespaModelFactory createTestFactory(ConfigModelRegistry configModelRegistry, Clock clock) {
        return createTestFactory(new Version(VespaVersion.major, VespaVersion.minor, VespaVersion.micro), configModelRegistry,
                clock, Zone.defaultZone());
    }
Creates a factory for Vespa models for this version of the source
config-model/src/main/java/com/yahoo/vespa/model/VespaModelFactory.java