@Test
    void verifyReturnAll() throws Throwable {
        val attributes = getAllReleasedAttributesForCasUser();
        assertFalse(attributes.isEmpty());
        assertTrue(attributes.containsKey("uid"));
        assertTrue(attributes.containsKey("givenName"));
        assertTrue(attributes.containsKey("urn:oid:1.3.6.1.4.1.5923.1.1.1.6"));
        assertTrue(attributes.get("urn:oid:1.3.6.1.4.1.5923.1.1.1.6").contains("cas-user-id@cas.org"));
    }
This is {@link DefaultAttributeDefinitionStoreTests}.

@author Misagh Moayyed
@since 6.2.0
support/cas-server-support-person-directory/src/test/java/org/apereo/cas/DefaultAttributeDefinitionStoreTests.java