assertFalse(auth.isExpired());

        // Test with no expiration (TTL = 0)
        auth.setAuthenticationTTL(0);
        Thread.sleep(100);
        assertFalse(auth.isExpired());

        // Test with negative TTL (no expiration)
        auth.setAuthenticationTTL(-1);
        Thread.sleep(100);
        assertFalse(auth.isExpired());
    }

    /**
     * Test close() method

    }

    /**
     * Set the authentication time-to-live in milliseconds
     *
     * @param ttl time-to-live in milliseconds (0 or negative for no expiration)
     */
    public void setAuthenticationTTL(long ttl) {
        this.authenticationTTL = ttl;
    }

    /**
     * Get the authentication time-to-live in milliseconds
     *
     * @return time-to-live in milliseconds
     */