Verify media cancellation without reading a closed CM handle

tests/test_media_delivery_download.c

@@ -559,7 +559,8 @@ static void test_cm_handle_lifetime(void) {
     int retained = dl->num_peers == 1 && dl->peers[0].cm_handle == h && dl->blocks[0].state == MD_BLK_CONN
         && dl->blocks[1].state == MD_BLK_CONN && dl->blocks[0].holder_idx == 0 && dl->blocks[1].holder_idx == 0;
     md_dl_conn_cb(h, 0x1111, dl->group_id, CONN_EVENT_TIMEOUT, dl);
-    int closed = h->closed && !h->deliver_up_token && !dl->peers[0].cm_handle;
+    /* После close handle недействителен: проверяем владельца и отсутствие позднего UP. */
+    int closed = !dl->peers[0].cm_handle;
     uasync_poll(g_ua, 0);
     int processed = !dl->pump_timer && dl->blocks[0].state == MD_BLK_REQ && dl->blocks[1].state == MD_BLK_REQ;
     free_test_dl(inst, dl); sqlite3_close(db); u_free(inst);