anchor.diff:                    ok = ?START_NODES(Nodes, true),
                     Nodes
             end,
  -    Case = fun do_otp_6442_resend_reply2/1,
  +    Case = fun(Nodes) -> do_otp_6442_resend_reply2(Nodes, Factor) end,
       Post = fun(Nodes) ->
                      d("stop nodes"),
                      ?STOP_NODES(lists:reverse(Nodes))
              end,
       try_tc(otp6442rrep2, Pre, Case, Post).
   
  -do_otp_6442_resend_reply2([MgNode]) ->
  +do_otp_6442_resend_reply2([MgNode], Factor) ->
       d("[MG] start the simulator "),
       {ok, Mg} = megaco_test_megaco_generator:start_link("MG", MgNode),
   
  
positive.code:     {ok, MgId} = megaco_test_megaco_generator:exec(Mg, MgEvSeq),
  
      i("await the transport module service change send_message event"),
      Pid = otp_6442_expect(fun otp_6442_rsrp1_verify_scr_msg/1, 5000),
  
      i("wait some before issuing the service change reply"),
      sleep(500),
  
negative.code:                   ok = ?START_NODES(Nodes, true),
                    Nodes
            end,
      Case = fun(Nodes) -> do_otp_6442_resend_reply1(Nodes, Factor) end,
      Post = fun(Nodes) ->
                     d("stop nodes"),
                     ?STOP_NODES(lists:reverse(Nodes))
             end,
      try_tc(request_and_no_reply, Pre, Case, Post).
  
  do_otp_6442_resend_reply1([MgNode], Factor) ->
      d("[MG] start the simulator "),
      {ok, Mg} = megaco_test_megaco_generator:start_link("MG", MgNode),
  
  