anchor.diff:      });
     });
   
  -  group('RFC Diagnostics decoder tests', () {
  +  group('RFC Diagnostics decoder tests -> ', () {
       test('0', () {
         final cbor.OutputDynamic output = new cbor.OutputDynamic();
         final List<int> values = [0x0];
  
positive.code:       expect(listener.lastValue.toString(), "[1, 0, 0, 0, 0, 0, 0, 0, 0]");
      });
  
      test('minus 18446744073709551616', () {
        final cbor.OutputDynamic output = new cbor.OutputDynamic();
        final List<int> values = [
          0x3b,
  
negative.code: 
  void main() {
    group('Original C++ tests', () {
      test('Encode/Decode confidence -> ', () {
        // Encoding
        final cbor.OutputDynamic output = new cbor.OutputDynamic();
        final cbor.Encoder encoder = new cbor.Encoder(output);
  