anchor.diff:      verify(Config, fun(W) ->
   %%            ct:print("Del ~p", [{W, F,  FileUuid, Locations}]),
   %%            ?match({error, ?ENOENT}, lfm_proxy:stat(W, SessId(W), {path, F}), Attempts)
  -        % TODO - match to chosen error (check perms may also result in ENOENT)
           ?match({error, _}, lfm_proxy:stat(W, SessId(W), {path, F}), Attempts),
   
           ?match({error, not_found}, rpc:call(W, file_meta, get, [FileUuid]), Attempts)
  
positive.code:     ok.
  
  file_consistency_test_skeleton(Config, Worker1, Worker2, Worker3, ConfigsNum) ->
      timer:sleep(10000), % TODO - connection must appear after mock setup
      Attempts = 60,
      User = <<"user1">>,
  
  
negative.code: basic_opts_test_base(Config, User, NodesDescroption, Attempts) ->
      basic_opts_test_base(Config, User, NodesDescroption, Attempts, true).
  
  basic_opts_test_base(Config, User, {SyncNodes, ProxyNodes, ProxyNodesWritten}, Attempts, CheckSequences) ->
      basic_opts_test_base(Config, User, {SyncNodes, ProxyNodes, ProxyNodesWritten, 1}, Attempts, CheckSequences);
  basic_opts_test_base(Config0, User, {SyncNodes, ProxyNodes, ProxyNodesWritten0, NodesOfProvider}, Attempts, CheckSequences) ->
  