anchor.diff:      _printTimingInformation();
       stdout.close();
       stderr.close();
  -    if (_failedTests > 0) exit(1);
  +    exit(_failedTests > 0 ? 1 : 0);
     }
   
     void _printStartProgress(TestCase test) {}
  
positive.code:   void _printStartProgress(TestCase test) { }
    void _printDoneProgress(TestCase test) { }
    void allTestsKnown() { }
    void allDone() { }
  }
  
  abstract class CompactIndicator extends ProgressIndicator {
  
negative.code:     }
      stdout.close();
      stderr.close();
      exit(_failedTests > 0 ? 1 : 0);
    }
  
    void allTestsKnown() {
  