assertTrue("ACCESS_CONTROL_ALLOW_CREDENTIALS should be final", Modifier.isFinal(credentialsField.getModifiers()));

        Field maxAgeField = CorsHandler.class.getDeclaredField("ACCESS_CONTROL_MAX_AGE");
        assertTrue("ACCESS_CONTROL_MAX_AGE should be final", Modifier.isFinal(maxAgeField.getModifiers()));
    }

    // Helper method to create mock HttpServletRequest
    private HttpServletRequest createMockRequest() {