@Test
 public void positiveWildcardTest() throws AssertionException {
   assertion.setPath("for $f in //step[1]/html_instructions return $f");
   assertion.setExpectedContent("<html_instructions>Head *</html_instructions>");
   assertion.setAllowWildcards(true);
   assertion.assertContent(response, context, XQueryContainsAssertion.ID);
 }