changeElementClass(element, getClassAttribute(element).replace(classValue, ""));
    }

    function initTabs() {
        var container = document.getElementById("tabs");

        tabs.tabs = findTabs(container);
        tabs.titles = findTitles(tabs.tabs);
        tabs.headers = findHeaders(container);
        tabs.select = select;
        tabs.deselectAll = deselectAll;
        tabs.select(0);

    }

    void assertHasNoFailedTests() {
        def tab = findTab('Failed tests')
        assert tab.isEmpty()
    }

    void assertHasNoIgnoredTests() {
        def tab = findTab('Ignored tests')
        assert tab.isEmpty()
    }

    void assertHasNoNavLinks() {
        assert findTab('Packages').isEmpty()
    }

    void assertHasLinkTo(String target, String display = target) {