protocolHelper.addWebProtocol("https");
        assertEquals(2, protocolHelper.getWebProtocols().length); // Should not increase
    }

    public void test_addFileProtocol_newProtocol() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public String getCrawlerWebProtocols() {
                return "http";
            }