request.addHeader("X-Real-IP", "203.0.113.75");
        assertEquals("203.0.113.75", rateLimitHelper.getClientIp(request));
    }

    @Test
    public void test_getClientIp_xForwardedForPriority_trustedProxy() {
        // 127.0.0.1 is configured as a trusted proxy by default
        final MockletHttpServletRequest request = getMockRequest();
        request.setRemoteAddr("127.0.0.1");