}

    // Test class hierarchy validation
    @Test
    public void test_inheritanceValidation() {
        ExtendedTestBean bean = new ExtendedTestBean();
        bean.setCronExpression("invalid");
        bean.setAdditionalCron("also invalid");

        Set<ConstraintViolation<ExtendedTestBean>> violations = validator.validate(bean);
        assertEquals(2, violations.size());
    }