testWidgets('ModalRoute must comply with willHandlePopInternally when there is a PopScope', (WidgetTester tester) async {
      const List<Page<void>> myPages = <Page<void>>[
        MaterialPage<void>(child: Text('page1')),
        MaterialPage<void>(
          child: PopScope(
            canPop: false,
            child: Text('page2'),
          ),
        ),
      ];
      await tester.pumpWidget(
        MediaQuery(
          data: MediaQueryData.fromView(tester.view),
          child: Localizations(
            locale: const Locale('en', 'US'),
            delegates: const <LocalizationsDelegate<dynamic>>[
              DefaultMaterialLocalizations.delegate,
              DefaultWidgetsLocalizations.delegate,
            ],
            child: Navigator(
              pages: myPages,
              onPopPage: (_, __) => false,
            ),
          ),
        ),
      );
      final ModalRoute<void> route = ModalRoute.of(tester.element(find.text('page2')))!;
      expect(route.willHandlePopInternally, true);
      expect(route.didPop(null), false);
    });