}

    /**
     * Test authentication TTL (Time To Live)
     */
    @Test
    @DisplayName("Test authentication TTL expiration")
    public void testAuthenticationTTL() throws InterruptedException {
        NtlmPasswordAuthenticator auth = new NtlmPasswordAuthenticator("user", "TTLTestPass123!");

        // Initially not expired
        assertFalse(auth.isExpired());