public void testReadMailingAddress() {
   try {
     InputStream inputStream = ClassLoader.getSystemResourceAsStream(XML_RESOURCE_MAILING);
     MailingAddress testObject = (MailingAddress) unmarshaller.unmarshal(inputStream);
   } catch (ClassCastException e) {
     fail();
   }
 }
 public void testReadBillingAddress() {
   try {
     InputStream inputStream = ClassLoader.getSystemResourceAsStream(XML_RESOURCE_BILLING);
     Object testObject = unmarshaller.unmarshal(inputStream);
     fail();
   } catch (XMLMarshalException e) {
     // PASS - an XMLMarshalException should be caught
   }
 }