anchor.diff:  
   -export([all/0, groups/0, init_per_suite/1, end_per_suite/1,
   	init_per_group/2, end_per_group/2]). %% ct.
  --export([raw/1]). %% http.
  +-export([pipeline/1, raw/1]). %% http.
   -export([http_200/1, http_404/1]). %% http and https.
   
   %% ct.
  
positive.code: 
  %% http.
  
  raw_req(Packet, Config) ->
  	{port, Port} = lists:keyfind(port, 1, Config),
  	{ok, Socket} = gen_tcp:connect("localhost", Port,
  
negative.code: 
  groups() ->
  	BaseTests = [http_200, http_404],
  	[{http, [], [pipeline, raw] ++ BaseTests},
  	{https, [], BaseTests}].
  
  init_per_suite(Config) ->
  