@Test
  public void testOptionsWithURIResolver() throws Exception {
    Options options = Options.getFrom("DOCX");
    OptionsHelper.setURIResolver(
        options,
        new IURIResolver() {

          public String resolve(String uri) {
            return null;
          }
        });
    XHTMLOptions xhtmlOptions = XWPF2XHTMLConverter.getInstance().toXHTMLOptions(options);
    Assert.assertNotNull(xhtmlOptions);
    Assert.assertNotNull(xhtmlOptions.getURIResolver());
  }