File outputFile
    BuildDashboardGenerator generator = new BuildDashboardGenerator()

    void setup() {
        outputFile = tmpDir.file('output.html')
    }

    Document getOutputHtml() {
        Jsoup.parse(outputFile, null)
    }

    Report mockReport(String name, File destination) {
        def directory = Mock(Directory) {
            getAsFile() >> destination
        }