Keep both test transports owned while checking invite timeout

tests/test_invite_group_create.c

@@ -30,6 +30,7 @@ struct invite_result {
 static uint8_t response[512];
 static size_t response_size;
 static int hold_requests, requests, fail_request_send, fail_timer, fail_alloc;
+static struct NODE_CONN_DIRECT* responder_owner;
 static void invite_done(uint64_t node_id, uint64_t group_id, int event, void* arg);
 
 int __real_etcp_send(struct ETCP_CONN*, struct ll_entry*);
@@ -37,6 +38,9 @@ int __wrap_etcp_send(struct ETCP_CONN* conn, struct ll_entry* entry) {
     if (entry->len >= 2 && entry->dgram[0] == ETCP_ID_GROUP_INVITE) {
         if (entry->dgram[1] == TGI_SUBCMD_INFO_RESP && entry->len <= sizeof(response)) {
             response_size = entry->len; memcpy(response, entry->dgram, response_size);
+            /* Удержать и отвечающий транспорт: INFO_RESP сам не владеет групповой сессией. */
+            if (!responder_owner && node_conn_direct_open(conn->instance, conn->peer_node_id,
+                NULL, NULL, &responder_owner, NULL) == NCD_ERR) return -1;
         }
         if (entry->dgram[1] == TGI_SUBCMD_INFO_REQ && hold_requests) {
             requests++;
@@ -243,7 +247,7 @@ int main(void) {
     deadline = get_time_tb() + 30000;
     while (!reply.calls && get_time_tb() < deadline) uasync_poll(ua, 20);
     REQUIRE(reply.calls == 1 && reply.event == TGI_EVENT_TIMEOUT && !a->group_invites);
-    REQUIRE(node_conn_direct_get_conn(owner_handle) == conn && !conn->close_requested);
+    REQUIRE(node_conn_direct_get_conn(owner_handle) == conn && conn->links_up && !conn->close_requested);
 
     /* DOWN завершает запрос немедленно; повторное UP не вызывает второй callback. */
     REQUIRE(begin_wait(a, gid, &node, &reply) == 0);
@@ -271,6 +275,7 @@ int main(void) {
 cleanup:
     fail_alloc = fail_timer = fail_request_send = 0;
     if (owner_handle) node_conn_direct_close(owner_handle);
+    if (responder_owner) node_conn_direct_close(responder_owner);
     if (a) utun_instance_destroy(a);
     if (b) utun_instance_destroy(b);
     /* Дать event loop освободить отменённые таймеры перед проверкой ресурсов. */