anchor.diff:  #import("test_suite.dart");
   
   class ProgressIndicator {
  -  ProgressIndicator(this._startTime, this._printTiming) : _tests = [];
  +  ProgressIndicator(this._startTime, this._printTiming)
  +      : _tests = [], _failureSummary = [];
   
     factory ProgressIndicator.fromName(String name,
                                        Date startTime,
  
positive.code:   Date _startTime;
    bool _printTiming;
    List<TestCase> _tests;
  }
  
  
  
negative.code: 
    void allDone() {
      stdout.write('\n'.charCodes());
      _printFailureSummary();
      _printTimingInformation();
      if (_failedTests > 0) {
        // We may have printed many failure logs, so reprint the summary data.
        _printProgress();
        print('');
      }
      stdout.close();
      exit(_failedTests > 0 ? 1 : 0);
    }
  