anchor.diff:      });
     }
   
  -  static Future listen_response() {
  +  test_listen_response() {
       List<Response> responses = [];
       channel.responseStream.forEach((n) => responses.add(n));
       inputSink.writeln('{"id":"72"}');
  
positive.code:       doneCompleter.complete();
      });
    }
  }
  
negative.code:     });
    }
  
    test_sendRequest() {
      int assertCount = 0;
      Request request = new Request('72', 'foo.bar');
      outputLineStream.first.then((line) => JSON.decode(line)).then((json) {
  