anchor.diff:                   Node = node_details:get(NodeDetails, node),
                    Other = node_details:get(NodeDetails, PredOrSucc),
                    TargetId = TargetIdFun(node:id(Node), node:id(Other)),
  -                 comm:send_local(DhtNode, {move, start_slide, PredOrSucc, TargetId, Tag, self()}),
  -                 receive
  -                     {move, result, Tag, ok} ->
  -%%                          ct:pal("~p.~p ~.0p -> ~.0p", [NthNode, N, node:id(Node), TargetId]),
  -                         ok;
  -                     {move, result, Tag, Result} ->
  -                         ?ct_fail("slide_~.0p(~B.~B, ~.0p, ~.0p, ~.0p) result: ~.0p",
  -                                  [PredOrSucc, NthNode, N, Node, Other, TargetId, Result]);
  -                     X ->
  -                         ?ct_fail("slide_~.0p(~B.~B, ~.0p, ~.0p, ~.0p) unexpected message: ~.0p",
  -                                  [PredOrSucc, NthNode, N, Node, Other, TargetId, X])
  -                 end;
  +                 symm4_slide_load_test_slide(DhtNode, PredOrSucc, TargetId, Tag, NthNode, N, Node, Other);
                Y ->
                    ?ct_fail("slide_~.0p(~B.~B, ~.0p) unexpected message "
                             "(waiting for get_node_details_response): ~.0p",
  
positive.code:                       symm4_slide_load_test(4, pred, "slide_pred1", fun pred_id_fun1/2),
                        unittest_helper:wait_for_process_to_die(BenchPid)
                end, "symm4_slide_pred1_load"),
      Ring = statistics:get_ring_details(),
      ?equals(statistics:get_total_load(Ring), 40),
      unittest_helper:stop_ring().
  
  %% symm4_slide_pred2_load(_Config) ->
  
negative.code: %%                       symm4_slide_load_test(4, pred, "slide_pred2_v2", fun pred_id_fun2/2),
  %%                       unittest_helper:wait_for_process_to_die(BenchPid)
  %%               end, "symm4_slide_pred2_load_v2"),
  %%     check_size2(40),
  %% %%     ?equals(statistics:get_total_load(statistics:get_ring_details()), 40),
  %%     unittest_helper:stop_ring().
  
  -spec percent_range(IdA::?RT:key(), IdB::?RT:key(), Percent::1..99) -> ?RT:key().
  