anchor.diff:                          "Hello undefined">>},
                    gen_tcp:recv(Client, 0)),
       %% check timings
  -    ?assertMatch(true,
  -                 ?VTB(request_start, request_end, 30000, 70000)),
  -    ?assertMatch(true,
  -                 ?VTB(headers_start, headers_end, 30000, 70000)),
  -    ?assertMatch(true,
  -                 ?VTB(body_start, body_end, 1, 3000)),
  -    ?assertMatch(true,
  -                 ?VTB(user_start, user_end, 1, 100)),
  -    ?assertMatch(true,
  -                 ?VTB(send_start, send_end, 1, 200)).
  +    ?assert(?VTB(request_start, request_end, 30000, 70000)),
  +    ?assert(?VTB(headers_start, headers_end, 30000, 70000)),
  +    ?assert(?VTB(body_start, body_end, 1, 3000)),
  +    ?assert(?VTB(user_start, user_end, 1, 100)),
  +    ?assert(?VTB(send_start, send_end, 1, 200)).
   
   
   post_pipeline() ->
  
positive.code:     ?assertNotMatch(undefined, get_timing_value(send_end)),
      ?assertNotMatch(undefined, get_timing_value(request_end)),
      %% check timings
      ?assertMatch(true,
                   ?VTB(request_start, request_end, 1000000, 1200000)),
      ?assertMatch(true,
                   ?VTB(headers_start, headers_end, 1, 100)),
      ?assertMatch(true,
                   ?VTB(body_start, body_end, 1, 100)),
      ?assertMatch(true,
                   ?VTB(user_start, user_end, 1000000, 1200000)),
      ?assertMatch(true,
                   ?VTB(send_start, send_end, 1, 200)).
  
  
  keep_alive_timings() ->
  
negative.code:     ?assertNotMatch(undefined, get_timing_value(send_end)),
      ?assertNotMatch(undefined, get_timing_value(request_end)),
      %% check timings
      ?assert(?VTB(request_start, request_end, 1000000, 1200000)),
      ?assert(?VTB(headers_start, headers_end, 1, 100)),
      ?assert(?VTB(body_start, body_end, 1, 100)),
      ?assert(?VTB(user_start, user_end, 1000000, 1200000)),
      ?assert(?VTB(send_start, send_end, 1, 200)).
  
  not_found() ->
      {ok, Response} = httpc:request("http://localhost:3001/foobarbaz"),
  