@Test
public void testParseOnePartToHTML() throws IOException, SAXException, TikaException {

    String result = example.parseOnePartToHTML().trim();
    
    assertNotContained("<html", result);
    assertNotContained("<head>", result);
    assertNotContained("<meta name=\"dc:creator\"", result);
    assertNotContained("<title>", result);
    assertNotContained("<body>", result);
    assertContains("<p class=\"header\"", result);
    assertContains("This is in the header", result);
    assertNotContained("<h1>Test Document", result);
    assertNotContained("<p>1 2 3", result);
}