anchor.diff:    Date _startTime;
     bool _printTiming;
     List<TestCase> _tests;
  +  List<String> _failureSummary;
   }
   
   
  
positive.code: 
    void allDone() {
      stdout.write('\n'.charCodes());
      _printTimingInformation();
      stdout.close();
      exit(_failedTests > 0 ? 1 : 0);
    }
  
negative.code:   }
  
    void allDone() {
      _printFailureSummary();
      _printStatus();
      _printTimingInformation();
      exit(_failedTests > 0 ? 1 : 0);
  