anchor.diff:  void main() {
     group('showDatePicker', () {
       _tests();
  -  },
  -    // Skip on Windows because this test is quite flaky when run on Windows,
  -    // until https://github.com/flutter/flutter/issues/19696 is fixed.
  -    skip: isWindows || isBrowser,
  -  );
  +  });
   }
   
   void _tests() {
  
positive.code:     await tester.tap(find.text('17'));
      await tester.pumpAndSettle();
      expect(_selectedDate, equals(DateTime(2016, DateTime.august, 17)));
    });
  
    testWidgets('render picker with intrinsic dimensions', (WidgetTester tester) async {
      await tester.pumpWidget(
  
negative.code:       ),
      );
      await tester.pump(const Duration(seconds: 5));
    }, skip: isWindows); // TODO(dnfield): these are flaky on Windows https://github.com/flutter/flutter#19696
  
    Future<void> preparePicker(WidgetTester tester, Future<void> callback(Future<DateTime> date)) async {
      BuildContext buttonContext;
  