assertNull(o.get("family_name"));
assertTrue(o.containsKey("given_name"));
assertNull(o.get("given_name"));
assertTrue(o.containsKey("middle_name"));
assertNull(o.get("middle_name"));
assertTrue(o.containsKey("nickname"));
assertNull(o.get("nickname"));
assertTrue(o.containsKey("preferred_username"));
assertNull(o.get("preferred_username"));
assertTrue(o.containsKey("profile"));
assertNull(o.get("profile"));