anchor.diff:          const TextSelection(baseOffset: 8, extentOffset: 12),
         );
         // Shows toolbar.
  -      expect(find.byType(CupertinoButton), findsNWidgets(3));
  +      expect(find.byType(CupertinoButton), isContextMenuProvidedByPlatform ? findsNothing : findsNWidgets(3));
       },
     );
   
  
positive.code:     expect(find.text('Select All'), findsOneWidget);
      expect(find.text('Copy'), findsNothing);
      expect(find.text('Cut'), findsNothing);
    });
  
    testWidgets(
      'long press moves cursor to the exact long press position and shows toolbar',
  
negative.code:       );
  
        // Long press toolbar.
        expect(find.byType(CupertinoButton), isContextMenuProvidedByPlatform ? findsNothing : findsNWidgets(2));
      },
    );
  
  