`CupertinoPicker`: Update example (#98525)

examples/api/lib/cupertino/picker/cupertino_picker.0.dart

@@ -8,12 +8,12 @@ import 'package:flutter/cupertino.dart';
 
 const double _kItemExtent = 32.0;
 const List<String> _fruitNames = <String>[
-  '🍎 Apple',
-  '🥭 Mango',
-  '🍌 Banana',
-  '🍊 Orange',
-  '🍍 Pineapple',
-  '🍓 Strawberry',
+  'Apple',
+  'Mango',
+  'Banana',
+  'Orange',
+  'Pineapple',
+  'Strawberry',
 ];
 
 void main() => runApp(const MyApp());

examples/api/test/cupertino/picker/cupertino_picker.0_test.dart

@@ -14,11 +14,11 @@ void main() {
     );
 
     // Open the Cupertino picker.
-    await tester.tap(find.text('🍎 Apple'));
+    await tester.tap(find.text('Apple'));
     await tester.pumpAndSettle();
 
     // Drag the wheel to change fruit selection.
-    await tester.drag(find.text('🥭 Mango'), _kRowOffset, touchSlopY: 0, warnIfMissed: false); // see top of file
+    await tester.drag(find.text('Mango'), _kRowOffset, touchSlopY: 0, warnIfMissed: false); // see top of file
 
     await tester.pump();
     await tester.pump(const Duration(milliseconds: 500));
@@ -27,6 +27,6 @@ void main() {
     await tester.tapAt(const Offset(1.0, 1.0));
     await tester.pumpAndSettle();
 
-    expect(find.text('🍌 Banana'), findsOneWidget);
+    expect(find.text('Banana'), findsOneWidget);
   });
 }