ai_test.dart

testWidgets('should display a WordPair and update on button press', (WidgetTester tester) async {
  await tester.pumpWidget(
    ChangeNotifierProvider(
      create: (context) => MyAppState(),
      child: MaterialApp(home: MyHomePage()),
    ),
  );

  // Verify initial WordPair is displayed
  expect(find.textContaining('_'), findsOneWidget);

  // Tap the 'Next' button
  await tester.tap(find.text('Next'));
  await tester.pump();

  // Verify the WordPair has changed
  expect(find.textContaining('_'), findsOneWidget);
});