// Should be allowed again
        assertTrue(rateLimiter.checkAttempt(username, ip), "Should be allowed after manual unlock");
    }

    @Test
    public void testManualUnblockIp() throws Exception {
        String ip = "192.168.1.7";

        // Block the IP
        for (int i = 1; i <= 5; i++) {
            assertTrue(rateLimiter.checkAttempt("user" + i, ip));