/** Create processor and SAMLEngine. */
 @Override
 public void setUp() {
   super.setUp();
   proc = new GetGroupsForUserProcessor();
   try {
     content = SAMLEngine.getXMLObject(GetGroupsForUser.class);
     content.setValue(TestKeyProvider.getInstance().getUserIDBase64());
   } catch (SAMLEngineException e) {
     e.log();
     fail(e.toString());
   }
 }
 /** Delete references. */
 @Override
 public void tearDown() {
   super.tearDown();
   proc = null;
   content = null;
 }