@Test
public void testGetOAuth2UserNonOAuth2() throws ServiceUnavailableException {

  initializeRequest("Bearer badToken");
  assertNull(authenticator.getOAuth2User(request, config));
  initializeRequest("Bearer");
  assertNull(authenticator.getOAuth2User(request, config));
  initializeRequest("Random abc");
  assertNull(authenticator.getOAuth2User(request, config));
}