anchor.diff:      ]),
   
       end_per_testcase(?DEFAULT_CASE(db_sync_with_delays_test), Config);
  +end_per_testcase(rtransfer_fetch_test, Config) ->
  +    Nodes = ?config(op_worker_nodes, Config),
  +    MinHoleSize = ?config(default_min_hole_size, Config),
  +    rpc:multicall(Nodes, application, set_env, [
  +        ?APP_NAME, rtransfer_min_hole_size, MinHoleSize
  +    ]),
  +    end_per_testcase(?DEFAULT_CASE(rtransfer_fetch_test), Config);
   end_per_testcase(_Case, Config) ->
       lfm_proxy:teardown(Config).
  
positive.code:     ct:pal("File created"),
  
      InitialBlock1 = {0, 100, 10},
      InitialBlock2 = {50, 150, 20},
      FollowingBlocks = [
          % overlapping block, but with higher priority - should be fetched
          {90, 20, 0},
  
negative.code:         {145, 15, 96}, {155, 15, 96}, {165, 15, 96}, {175, 15, 96}
      ],
      ExpectedBlocks = lists:sort([
          {0, 100}, {100, 100}, {90, 20}, {200, 10}, {300, 100},
          {220, 5}, {210, 30}, {250, 10}, {260, 6}, {266, 14}
      ]),
      ExpectedBlocksNum = length(ExpectedBlocks),
  
  