this.defaultSuiteName = defaultSuiteName;
        this.defaultTestName = defaultTestName;
        this.parallel = parallel;
        this.threadCount = threadCount;
        this.suiteThreadPoolSize = suiteThreadPoolSize;
        this.useDefaultListener = useDefaultListener;
        this.threadPoolFactoryClass = threadPoolFactoryClass;
        this.includeGroups = includeGroups;
        this.excludeGroups = excludeGroups;

    def "run tests using TestNG version not supporting suiteThreadPoolSize changing"() {
        given:
        buildFile << """
            apply plugin: 'java'
            ${mavenCentralRepository()}
            dependencies { testImplementation 'org.testng:testng:5.12.1' }
            test { useTestNG { suiteThreadPoolSize = 5 } }
        """

        file("src/test/java/SimpleTest.java") << """

    private void setSuiteThreadPoolSize(TestNG testNg, int suiteThreadPoolSize) {
        if (suiteThreadPoolSize < 1) {
            throw new InvalidUserDataException("suiteThreadPoolSize must be greater than or equal to 1.");
        }

        try {
            JavaMethod.of(TestNG.class, Object.class, "setSuiteThreadPoolSize", int.class).invoke(testNg, suiteThreadPoolSize);
        } catch (NoSuchMethodException e) {

            configFailurePolicy == source.configFailurePolicy
            listeners == source.listeners
            parallel == source.parallel
            threadCount == source.threadCount
            suiteThreadPoolSize.get() == source.suiteThreadPoolSize.get()
            useDefaultListeners == source.useDefaultListeners
            threadPoolFactoryClass == source.threadPoolFactoryClass
            suiteName == source.suiteName

        'suiteName'              | '= "Honeymoon Suite"'
        'testName'               | '= "Turing completeness"'
        'parallel'               | '= "methods"'
        'threadCount'            | '= 2'
        'suiteThreadPoolSize'    | '= 2'
        'listeners'              | '= ["org.testng.reporters.FailedReporter"]'
        'useDefaultListeners'    | '= true'
        'threadPoolFactoryClass' | '= "some.Class"'