@Test
    void verifyFlattenedDefn() throws Throwable {
        val attributes = getAllReleasedAttributesForCasUser();
        assertFalse(attributes.isEmpty());
        assertTrue(attributes.containsKey("allgroups"));
        assertEquals(List.of("m1/m2/m3/m4"), attributes.get("allgroups"));
    }
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