viewHelper.init();

        getMockRequest().addHeader("x-forwarded-for", "192.168.1.1");
        assertEquals("192.168.1.1", viewHelper.getClientIp(getMockRequest()));

        getMockRequest().setRemoteAddr("127.0.0.1");
        assertNotNull(viewHelper.getClientIp(getMockRequest()));
    }

    @Test
    public void test_createHighlightText() {
        ViewHelper viewHelper = new ViewHelper();