Trace group connection and membership after opening a received invitation

tests/test_dm_invite.c

@@ -118,6 +118,8 @@ int main(void) {
         debug_set_category_level(DEBUG_CATEGORY_DM, DEBUG_LEVEL_DEBUG);
         debug_set_category_level(DEBUG_CATEGORY_CHAT_SYNC, DEBUG_LEVEL_DEBUG);
         debug_set_category_level(DEBUG_CATEGORY_MEMBER_SYNC, DEBUG_LEVEL_INFO);
+        debug_set_category_level(DEBUG_CATEGORY_BGP, DEBUG_LEVEL_DEBUG);
+        debug_set_category_level(DEBUG_CATEGORY_CONNECTION, DEBUG_LEVEL_DEBUG);
     }
     utun_instance_set_tun_init_enabled(0);
     struct UASYNC* ua = uasync_create();
@@ -175,9 +177,13 @@ int main(void) {
           "delivered link is registered with ten minute lifetime");
     CHECK(!join_link(ua, link), "B joins target group using received PM link");
     char target_id[64]; snprintf(target_id, sizeof(target_id), "%llu", (unsigned long long)target);
+    chat_core_connect_channel(nodes[1], target_id);
     deadline = get_time_tb() + 100000;
     while (!topo_node_sqlite_member_in_channel(nodes[1]->topo_sqlite_db, target_id, nodes[1]->node_id) &&
            get_time_tb() < deadline) uasync_poll(ua, 100);
+    DEBUG_INFO(DEBUG_CATEGORY_DM, "invite test: membership after JOIN ch=%s A_has_B=%d B_has_B=%d", target_id,
+               topo_node_sqlite_member_in_channel(nodes[0]->topo_sqlite_db, target_id, nodes[1]->node_id),
+               topo_node_sqlite_member_in_channel(nodes[1]->topo_sqlite_db, target_id, nodes[1]->node_id));
     CHECK(topo_node_sqlite_member_in_channel(nodes[0]->topo_sqlite_db, target_id, nodes[1]->node_id) &&
           topo_node_sqlite_member_in_channel(nodes[1]->topo_sqlite_db, target_id, nodes[1]->node_id), "membership committed on both nodes");
     request(6, target, "", 0);