osddHelper.init();
        assertTrue(osddHelper.hasOpenSearchFile());

        osddHelper.init();
        assertTrue(osddHelper.hasOpenSearchFile());
    }

    @Test
    public void test_init_disabled_then_enabled() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public String getOsddLinkEnabled() {
                return "false";
            }