@Test
    void verifyOperation() {
        val input = mock(PersonDirectoryAttributeRepositoryPlan.class);
        doCallRealMethod().when(input).registerAttributeRepositories();
        doReturn(new ArrayList<>()).when(input).getAttributeRepositories();
        assertDoesNotThrow(() -> input.registerAttributeRepositories(CoreAuthenticationTestUtils.getAttributeRepository()));
    }
This is {@link PersonDirectoryAttributeRepositoryPlanTests}.

@author Misagh Moayyed
@since 6.3.0
support/cas-server-support-person-directory/src/test/java/org/apereo/cas/PersonDirectoryAttributeRepositoryPlanTests.java