// ========== Tests for lazy loading implementation ==========

    /**
     * Test that processDirectMemberOf method exists with correct signature.
     */
    @Test
    public void test_processDirectMemberOf_methodExists() throws Exception {
        Method method = EntraIdAuthenticator.class.getDeclaredMethod("processDirectMemberOf", EntraIdUser.class, List.class, List.class,
                List.class, String.class);