Map<String, String> params = new HashMap<>();
        params.put(ExtractData.URL, url);
        params.put(ExtractData.RESOURCE_NAME_KEY, resoureName);
        return params;
    }

    public void test_getPdfPassword_null() {
        String url;
        String resourceName;

        url = null;
        resourceName = null;
        assertNull(tikaExtractor.getPassword(createParams(url, resourceName)));