@TempDir
    private File projectDir

    private File docsRoot
    private File sampleDoc
    private File linkErrors

    private setup() {
        docsRoot = new File(projectDir, "docsRoot")
        new File(docsRoot, 'javadoc').mkdirs()
        sampleDoc = new File(docsRoot, "sample.adoc")
        linkErrors = new File(projectDir, "build/reports/dead-internal-links.txt")