viewHelper.init();

        Map<String, Object> document = new HashMap<>();
        String url = "http://example.com/test.pdf";

        try {
            String result = viewHelper.appendPDFSearchWord(document, url);
            assertNotNull(result);
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    public void test_getPagePath() {

                switch (mimetype) {
                case "text/html":
                    return appendHTMLSearchWord(document, url);
                case "application/pdf":
                    return appendPDFSearchWord(document, url);
                default:
                    break;
                }
            }
        }
        return url;
    }

    /**