Thread.sleep(500);
        assertFalse(auth.isExpired());

        // Reset timestamp
        long beforeReset = System.currentTimeMillis();
        auth.resetAuthenticationTimestamp();
        long afterReset = System.currentTimeMillis();

        // Should still not be expired
        assertFalse(auth.isExpired());

        // Wait for original TTL to pass
        Thread.sleep(600);