anchor.diff:    {Status30, _, _, _, AnswerOpt30} = create_file(Socket, TestDirFile),
     ?assertEqual("ok", Status30),
     ?assertEqual(?VOK, AnswerOpt30),
  +
  +  {CreationAckStatus3, CreationAckAnswerOpt3} = send_creation_ack(Socket, TestDirFile),
  +  ?assertEqual("ok", CreationAckStatus3),
  +  ?assertEqual(list_to_atom(?VOK), CreationAckAnswerOpt3),
   
     {Status31, Answer31} = mkdir(Socket, TestDirDir),
     ?assertEqual("ok", Status31),
  
positive.code:   {StatusCreateFile2, _Helper2, _Id2, _Validity2, AnswerCreateFile2} = create_file(Socket, TestFile2),
    ?assertEqual("ok", StatusCreateFile2),
    ?assertEqual(?VOK, AnswerCreateFile2),
  
    {StatusCreate4, AnsCreate4} = rpc:call(FSLogicNode, fslogic_test_SUITE, create_share, [TestFile, some_share, DN]),
    ?assertEqual(ok, StatusCreate4),
  
negative.code:   ?assertEqual("ok", Status),
    ?assertEqual(?VOK, AnswerOpt),
  
    {CreationAckStatus, CreationAckAnswerOpt} = send_creation_ack(Socket, TestFile),
    ?assertEqual("ok", CreationAckStatus),
    ?assertEqual(list_to_atom(?VOK), CreationAckAnswerOpt),
  
    {Status2, Helper2, Id2, _Validity2, AnswerOpt2} = get_file_location(Socket, TestFile),
    ?assertEqual("ok", Status2),
    ?assertEqual(?VOK, AnswerOpt2),
  