@Test(expected = AuthorizationException.class)
  public void testDeleteResourcesAsClusterUser() throws Exception {
    testDeleteResources(TestAuthenticationFactory.createClusterUser());
  }
Tests that updating a default group doesn't change read-only properties

@throws Exception
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/AlertGroupResourceProviderTest.java