anchor.diff:                     end},
            #{desc => "validate timeout time",
              cmd  => fun(#{start := Start, stop := Stop, timeout := To} = _State) ->
  -                           TDiff  = tdiff(Start, Stop),
  +                           TDiff  = Stop - Start,
                              if
                                  (TDiff >= To) ->
                                      ok;
  
positive.code:                    end},
           #{desc => "validate timeout time",
             cmd  => fun(#{start := Start, stop := Stop, timeout := To} = State) ->
                             TDiff  = tdiff(Start, Stop),
                             if
                                 (TDiff >= To) ->
                                     State1 = maps:remove(start, State),
  
negative.code:                                    ?SEV_IPRINT("client node ~p started",
                                                 [Node]),
                                     {ok, State#{node => Node}};
                                 {error, Reason} ->
                                     {skip, Reason}
                             end
                     end},
           #{desc => "monitor client node",
  