doc.put("url", "http://example.com");
        doc.put("cache", "test cache content");
        String[] queries = { "test" };

        try {
            String result = viewHelper.createCacheContent(doc, queries);
            assertTrue(true);
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_getClientIp() {