resourceManager.registerResource(resource2);

        assertFalse(resource1.isClosed());
        assertFalse(resource2.isClosed());

        int cleaned = resourceManager.forceCleanup();
        assertTrue(cleaned >= 2);

        assertTrue(resource1.isClosed());
        assertTrue(resource2.isClosed());
    }

    @Test
    @DisplayName("Test leak detection for unclosed resources")

    }

    /**
     * Stop the mock witness service
     */
    public void stop() {
        running.set(false);

        if (serverSocket != null && !serverSocket.isClosed()) {
            try {
                serverSocket.close();
            } catch (IOException e) {
                log.debug("Error closing server socket", e);
            }
        }