anchor.diff:          test(testCase.key, () {
             var nodeId = <int>[0x9E, 0x6B, 0xDE, 0xCE, 0xD8, 0x46];
             var clockSeq = (0xB3 << 8 | 0xC8) & 0x3ffff;
  -          final uuid =
  -              Uuid().v6(options: {'mSecs': testCase.value[0], 'nSecs': 0, 'node': nodeId, 'clockSeq': clockSeq});
  +          final uuid = Uuid().v6(options: {
  +            'mSecs': testCase.value[0],
  +            'nSecs': 0,
  +            'node': nodeId,
  +            'clockSeq': clockSeq
  +          });
             expect(uuid.toUpperCase(), equals(testCase.value[1]));
           });
         }
  
positive.code:       }.entries) {
          test(testCase.key, () {
            expect(
                () => Uuid.parse(Uuid.NAMESPACE_OID, buffer: buffer, offset: testCase.value), throwsA(isA<RangeError>()));
          });
        }
      });
  
negative.code:       var uidt = uuid.v1(options: {'mSecs': testTime, 'nSecs': 10});
        var uidtb = uuid.v1(options: {'mSecs': testTime, 'nSecs': 9});
  
        expect(
            (int.parse("0x${uidtb.split('-')[3]}") -
                int.parse("0x${uidt.split('-')[3]}")),
            equals(1));
      });
  
      test('Explicit options produce expected id', () {
  