anchor.diff:  
   void main() {
     group('Original C++ tests', () {
  -    test('Encode/Decode confidence', () {
  +    test('Encode/Decode confidence -> ', () {
         // Encoding
         final cbor.OutputDynamic output = new cbor.OutputDynamic();
         final cbor.Encoder encoder = new cbor.Encoder(output);
  
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:     });
    });
  
    group('RFC Diagnostics decoder tests -> ', () {
      test('0', () {
        final cbor.OutputDynamic output = new cbor.OutputDynamic();
        final List<int> values = [0x0];
  