message: Fix free port logic finding priviliged port (20.04)
diff: @@ -41,7 +41,7 @@ struct TestServer {
  TestServer() {
  // Find free port
  - int freePort = 0;
  + int freePort = 15385;
  {
  struct sockaddr_in addr;
  addr.sin_family = AF_INET;
  