anchor.diff:      progressLine.addAll(']'.charCodes());
       stdout.write(progressLine);
     }
  +
  +  String _header(String header) {
  +    var result = [];
  +    addColorWrapped(result, header, BOLD);
  +    return new String.fromCharCodes(result);
  +  }
   }
   
   
  
positive.code:   ColorProgressIndicator(Date startTime, bool printTiming)
        : super(startTime, printTiming);
  
    static int GREEN = 32;
    static int RED = 31;
    static int NONE = 0;
  
negative.code:     return '${_padTime(min)}:${_padTime(sec)}';
    }
  
    String _header(String header) => header;
  
    void _printFailureOutput(TestCase test) {
      List<String> output = new List<String>();
      output.add('');
      output.add(_header('FAILED: ${test.configurationString}'
                         ' ${test.displayName}'));
      StringBuffer expected = new StringBuffer();
      expected.add('Expected: ');
      for (var expectation in test.expectedOutcomes) {
  