public void testMappedNotation() throws Exception {
   Map<String, String> jsonXml2JsonNs = new HashMap<String, String>();
   jsonXml2JsonNs.put("http://test.jaxb.com", "tjc");
   final JsonJaxbContext ctx =
       new JsonJaxbContext(
           JsonConfiguration.mapped().xml2JsonNs(jsonXml2JsonNs).build(),
           MyError.class,
           MyMessage.class,
           MyResponse.class);
   _testNamespaces(ctx);
 }
 public void testNaturalNotation() throws Exception {
   _testNamespaces(
       new JsonJaxbContext(
           JsonConfiguration.natural().build(), MyError.class, MyMessage.class, MyResponse.class));
 }