}

    public void test_getDesignJspFileName() {
        assertNull(systemHelper.getDesignJspFileName("xxx"));
        systemHelper.addDesignJspFileName("xxx", "yyy");
        assertEquals("yyy", systemHelper.getDesignJspFileName("xxx"));
        final Pair<String, String>[] designJspFileNames = systemHelper.getDesignJspFileNames();

    }

    /**
     * Adds a design JSP file name to the map.
     *
     * @param key   The key for the JSP file.
     * @param value The file name.
     */
    public void addDesignJspFileName(final String key, final String value) {
        designJspFileNameMap.put(key, value);
    }

    /**
     * Gets the design JSP file name for a given key.
     *