anchor.diff:      end,
   
       lfm_proxy:teardown(Config),
  -    initializer:clean_test_users_and_spaces(Config).
  +    initializer:clean_test_users_and_spaces(Config),
  +    initializer:disable_grpca_based_communication(Config).
   
   %%%===================================================================
   %%% Internal functions
  
positive.code:     TestDir = ?config(test_dir, Config),
      SessId = ?config({session_id, <<"user1">>}, Config),
  
      ?assertMatch({ok, _}, lfm_proxy:mkdir(W1, SessId, filename(3, TestDir, ""))),
      ?assertMatch({ok, _}, lfm_proxy:mkdir(W2, SessId, filename(3, TestDir, "/target_dir"))),
      ?assertMatch({ok, _}, lfm_proxy:mkdir(W1, SessId, filename(1, TestDir, ""))),
      {_, File1Guid} = ?assertMatch({ok, _}, lfm_proxy:create(W1, SessId, filename(1, TestDir, "/moved_file1"), 8#770)),
  
negative.code: 
  init_per_testcase(CaseName, Config) ->
      ConfigWithSessionInfo = initializer:create_test_users_and_spaces(?TEST_FILE(Config, "env_desc.json"), Config),
      initializer:enable_grpca_based_communication(Config),
      NewConfig = lfm_proxy:init(ConfigWithSessionInfo),
      Workers = ?config(op_worker_nodes, NewConfig),
  
  