assertTrue(content.contains("This is a sample Markdown document"));
        assertTrue(content.contains("Features"));
        assertTrue(content.contains("Code Examples"));
    }

    public void test_frontMatterExtraction() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/markdown/test.md");
        final ExtractData extractData = markdownExtractor.getText(in, null);
        CloseableUtil.closeQuietly(in);