private def findClassDetails(String className) {
        def tab = findTab('Classes')
        def anchor = tab.select("TD").find { it.text() == className }
        return anchor?.parent()
    }

    void assertHasStandardOutput(String stdout) {
        def tab = findTab('Standard output')
        assert tab != null
        assert tab.select("SPAN > PRE").find { it.text() == stdout.trim() }
    }