buildFile
        when:
        run "model"

        then:
        def modelNode = ModelReportOutput.from(output).modelNode
        modelNode.myNumbers.@creator[0] == 'NumberRules#createRule(Numbers)'

        int i = 0
        def rules = modelNode.myNumbers.@rules[0]
        rules[i++] == 'NumberRules#defaultsRule(Numbers)'
        rules[i++] == 'NumberRules#mutateRule(Numbers)'