anchor.diff:                           succ -> Succ;
                            pred -> Pred
                        end,
  +             proto_sched(start),
                symm4_slide_load_test_slide(DhtNode, PredOrSucc, TargetId, NewTag, NthNode, N, Node, Other),
  +             proto_sched(stop),
                receive
                    ?SCALARIS_RECV(Z,
                                   ?ct_fail("slide_~.0p(~B.~B, ~.0p) unexpected message: ~.0p",
  
positive.code:                     proto_sched:start_deliver();
                  stop ->
                      proto_sched:stop(),
                      ct:pal("Proto schedluer infos: ~.2p", proto_sched:get_infos()),
                      proto_sched:cleanup()
              end;
          _ -> ok
  
negative.code:         ?SCALARIS_RECV(X,
                         ?ct_fail("slide_~.0p(~B.~B, ~.0p, ~.0p, ~.0p) unexpected message: ~.0p",
                                  [PredOrSucc, NthNode, N, Node, Other, TargetId, X]))
          end.
  
  -spec stop_time(F::fun(() -> any()), Tag::string()) -> ok.
  stop_time(F, Tag) ->
  