anchor.diff:        var uidt = uuid.v1(options: {'mSecs': TIME});
         var uidtb = uuid.v1(options: {'mSecs': TIME - 1});
   
  -      expect((int.parse("0x${uidtb.split('-')[3]}") - int.parse("0x${uidt.split('-')[3]}")),
  +      expect(
  +          (int.parse("0x${uidtb.split('-')[3]}") -
  +              int.parse("0x${uidt.split('-')[3]}")),
             anyOf(equals(1), equals(-16383)));
       });
   
  
positive.code:       }.entries) {
          test(testCase.key, () {
            expect(
                () => Uuid.parse(Uuid.NAMESPACE_OID, buffer: buffer, offset: testCase.value), throwsA(isA<RangeError>()));
          });
        }
      });
  
negative.code:         ],
        }.entries) {
          test(testCase.key, () {
            final rand = [
              0x0C,
              0xC3,
              0x18,
              0xC4,
              0xDC,
              0x0C,
              0x0C,
              0x07,
              0x39,
              0x8F
            ];
  
            final uuid = Uuid()
                .v7(options: {'time': testCase.value[0], 'randomBytes': rand});
            expect(uuid.toUpperCase(), equals(testCase.value[1]));
          });
        }
  