@Test
   public void testConvert() throws Exception {

       testCas.reset();
	URL input = Resources.getResource("sampleCAS/websitesamplecas.xml");
	converterHelper.deserialize(Resources.toString(input, Charsets.UTF_8), testCas);
       Collection<NamedEntity> namedEntities = JCasUtil.select(testCas, NamedEntity.class);
       for (NamedEntity namedEntity : namedEntities) {
           System.out.println(namedEntity.getType() + " " + namedEntity.getCoveredText());
       }
       System.out.println(Joiner.on("").join(namedEntities));
	Assert.assertThat(namedEntities, is(not(empty())));
}