@Test
 public void testGetGroups() throws Exception {
   PaginatedResults<UserGroup> ugs = ServletTestHelper.getGroups(dispatchServlet, userName);
   assertNotNull(ugs);
   boolean foundPublic = false;
   boolean foundAdmin = false;
   for (UserGroup ug : ugs.getResults()) {
     if (ug.getName().equals(AuthorizationConstants.PUBLIC_GROUP_NAME)) foundPublic = true;
     if (ug.getName().equals(AuthorizationConstants.ADMIN_GROUP_NAME)) foundAdmin = true;
     assertTrue(ug.toString(), !ug.getIsIndividual());
   }
   assertTrue(foundPublic);
   assertTrue(foundAdmin);
 }