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