Keep prior network race fixtures independent of the playback scenario clock

tests/test_stream_service.c

@@ -1516,7 +1516,6 @@ int main(int argc, char **argv) {
         return 0;
     }
     test_profile_atomicity();
-    test_delayed_media_reader();
     stream_set_event_callback(nodes[0], on_stream, NULL); stream_set_event_callback(nodes[1], on_stream, NULL);
     struct STREAM_HANDLE *publisher = NULL, *publisher2 = NULL, *other_group = NULL, *mobile = NULL, *desktop = NULL;
     CHECK(stream_publish_open(nodes[0], GROUP1, NULL, &publisher) == STREAM_OK);
@@ -1637,6 +1636,8 @@ int main(int argc, char **argv) {
     CHECK(stream_member_load(nodes[0], GROUP1, nodes[0]->node_id, &state, NULL) == STREAM_OK && !state.published && !state.count);
     CHECK(data_events[0] == 1); /* Pending 100ms batch не выполнилась после stop. */
     DEBUG_INFO(DEBUG_CATEGORY_STREAM, "[PASS] CHAT stop keeps UTUN/core; source timer cancelled; stale signed options cleared on restart");
+    for (unsigned i = 0; i < 4; i++) stream_set_event_callback(nodes[i], NULL, NULL);
+    test_delayed_media_reader();
     for (unsigned i = 0; i < 3; i++) topo_group_peer_close(connections[i]);
     for (unsigned i = 0; i < 4; i++) utun_instance_destroy(nodes[i]);
     uasync_destroy(ua, 1); test_clock_finish();