anchor.diff:      {ok,{{_,201,_},_,ChannelId}} = httpc:request(post, 
           {"http://localhost:8002/channels", headers(), content_type(), iolist_to_binary(mochijson2:encode({struct, [
               {"app_id", 1},
  -            {"addon", <<"advanced">>},
  +            {"addon", <<"expanded">>},
               {"name", <<"app1@logplex.heroku.com">>}
           ]}))}, [], []),
   
  
positive.code:             {"name", <<"heroku">>}
          ]}))}, [], []),
  
      {ok,{{_,201,_},_,Session}} = httpc:request(post, 
          {"http://localhost:8002/sessions", headers(), content_type(), iolist_to_binary(mochijson2:encode({struct, [
              {"channel_id", list_to_binary(ChannelId)},
  
negative.code:         ]}))}, [], []),
      
      {ok,{{_,200,_},_,_}} = httpc:request(get, {"http://localhost:8002/channels/" ++ ChannelId ++ "/info", headers()}, [], []),
  
      {ok,{{_,200,_},_,_}} = httpc:request(get, {"http://localhost:8002/channels/" ++ ChannelId ++ "/drains", headers()}, [], []),
  
      {ok, UdpSock} = gen_udp:open(0),
  
  