@Test
    void verifyExternalImport() throws Throwable {
        try (val store = new DefaultAttributeDefinitionStore(new ClassPathResource("AttributeDefns.json"))) {
            assertFalse(store.getAttributeDefinitions().isEmpty());
            assertNotNull(store.locateAttributeDefinition("eduPersonPrincipalName"));
        }
    }
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