anchor.diff:  
       lists:foreach(fun(W) ->
           Level2TmpDir = <<Dir/binary, "/", (generator:gen_name())/binary>>,
  +        ct:print("Verify dir ~p", [{Level2TmpDir, W}]),
           ?assertMatch({ok, _}, lfm_proxy:mkdir(W, SessId(W), Level2TmpDir, 8#755)),
           VerifyStats(Level2TmpDir, true),
   
           lists:foreach(fun(W2) ->
               Level3TmpDir = <<Level2TmpDir/binary, "/", (generator:gen_name())/binary>>,
  +            ct:print("Verify dir2 ~p", [{Level3TmpDir, W}]),
               ?assertMatch({ok, _}, lfm_proxy:mkdir(W2, SessId(W2), Level3TmpDir, 8#755)),
               VerifyStats(Level3TmpDir, true)
           end, Workers)
  
positive.code:         NewAcc = <<Acc/binary, WriteBuf/binary>>,
  
          Verify(fun(W2) ->
              OpenAns2 = lfm_proxy:open(W2, SessId(W2), {path, Level2File}, rdwr),
              ?assertMatch({ok, _}, OpenAns2),
              {ok, Handle2} = OpenAns2,
  
negative.code:             end,
          ?assertMatch({_, {ok, _}}, MkAnsCheck),
          {Level2TmpDir, _} = MkAnsCheck,
          ct:print("Verify spawn1 ~p", [{Level2TmpDir}]),
          VerifyStats(Level2TmpDir, true),
          [Level2TmpDir | Acc]
      end, [], Workers),
  