*
     * If not present, the order will not be preserved.
     */
    @Internal
    public boolean isPreserveOrder() {
        return preserveOrder;
    }

    public void setPreserveOrder(boolean preserveOrder) {
        this.preserveOrder = preserveOrder;
    }

    @Internal
    public boolean getGroupByInstances() {
        return groupByInstances;
    }

    /**

            1)

        where:
        dsl << ['groovy', 'kotlin']
    }

    @UsesSample("testing/testng-preserveorder")
    def "can use the preserveOrder option with TestNG tests with #dsl dsl"() {
        given:
        TestFile dslDir = sample.dir.file(dsl)
        executer.inDirectory(dslDir)

        when: