anchor.diff:  		{"/ws", ws_echo, []}
   	]}]).
   
  +%% Logger function silencing the expected warnings.
  +
  +error(Format, Args) ->
  +	error_logger:error_msg(Format, Args).
  +
  +warning("Received EXIT signal " ++ _, [{'EXIT', _, {shutdown, ?MODULE}}|_]) ->
  +	ok;
  +warning(Format, Args) ->
  +	error_logger:warning_msg(Format, Args).
  +
   %% proc_lib.
   
   proc_lib_initial_call_clear(Config) ->
  
positive.code: 	{ok, << 0:24, 4:8, 1:8, 0:32 >>} = ssl:recv(Socket, 9, 1000),
  	timer:sleep(100),
  	Pid = get_remote_pid_tls(Socket),
  	Pid ! {'EXIT', self(), shutdown},
  	%% Send a HEADERS frame as a request.
  	{HeadersBlock, _} = cow_hpack:encode([
  		{<<":method">>, <<"GET">>},
  
negative.code: 	[{sys, [parallel], ct_helper:all(?MODULE)}].
  
  init_per_suite(Config) ->
  	ProtoOpts = #{
  		env => #{dispatch => init_dispatch(Config)},
  		logger => ?MODULE
  	},
  	%% Clear listener.
  	{ok, _} = cowboy:start_clear(clear, [{port, 0}], ProtoOpts),
  