assertNotNull(extractData.getValues("author"));
        assertEquals("John Doe", extractData.getValues("author")[0]);
    }

    public void test_getText_nested() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/json/test.json");
        final ExtractData extractData = jsonExtractor.getText(in, null);
        CloseableUtil.closeQuietly(in);