anchor.diff:      {ok, GenBlock} = aehttp_api_parser:decode(block, GenBlockMap),
       ExpectedMap = header_to_endpoint_top(aec_blocks:to_header(GenBlock)),
       ct:log("Cleaned top header = ~p", [ExpectedMap]),
  -    HeaderMap = ExpectedMap,
  +    {ExpectedMap, _} = {HeaderMap, {expected, ExpectedMap}},
   
       ForkHeight = aecore_suite_utils:latest_fork_height(),
       aecore_suite_utils:mine_blocks(aecore_suite_utils:node_name(?NODE),
  
positive.code:     {ok, 200, BlockMap} = get_block_by_height(0, message_pack),
      ExpectedBlockMap =
          maps:remove(<<"hash">>, maps:remove(<<"data_schema">>, BlockMap)),
      Block = ExpectedBlockMap,
  
      ok = aehttp_ws_test_utils:stop(ConnPid),
      ok.
  
negative.code:     ExpectedMap = header_to_endpoint_top(ExpectedH),
      ct:log("Cleaned top header = ~p", [ExpectedMap]),
      {ok, 200, HeaderMap} = get_top(),
      {ExpectedMap, _} = {HeaderMap, {expected, ExpectedMap}},
      #{<<"height">> := Height} = HeaderMap,
      true = Height > 0,
      ok.
  