anchor.diff:          startPaused: startPaused,
           bundlePath: _getBundlePath(finalizers, ourTestCount),
           observatoryPort: explicitObservatoryPort,
  +        serverPort: server.port,
         );
         subprocessActive = true;
         finalizers.add(() async {
  
positive.code:     bool enableObservatory: false,
      bool startPaused: false,
      int observatoryPort,
    }) {
      assert(executable != null); // Please provide the path to the shell in the SKY_SHELL environment variable.
      assert(!startPaused || enableObservatory);
  
negative.code:     return tempBundleDirectory.path;
    }
  
    String _getWebSocketUrl() {
      return host.type == InternetAddressType.IP_V4
          ? 'ws://${host.address}'
          : 'ws://[${host.address}]';
    }
  
    String _generateTestMain({
  