}

    public void test_idWithStringType() {
        // Test ID getter/setter with String
        UrlQueueImpl<String> queue = new UrlQueueImpl<>();

        queue.setId("id123");
        assertEquals("id123", queue.getId());
    }

    public void test_sessionIdGetterSetter() {
        // Test session ID getter/setter
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();