anchor.diff:          }
           replyTo.send("");
         };
  +      port.close();
       });
     }
   }
  
positive.code:           line = stdoutStream.readLine();
          }
        };
        p.exitHandler = (code) {
          if (code < 0) {
            print("Failed to list tests: $runnerPath --list");
  
negative.code:                           configuration,
                            completeHandler,
                            expectations));
      }
    }
  
  