fix analyzer (#22273)

diff --git a/packages/flutter/test/material/page_transitions_theme_test.dart b/packages/flutter/test/material/page_transitions_theme_test.dart
index a020689..0eae5f6 100644
--- a/packages/flutter/test/material/page_transitions_theme_test.dart
+++ b/packages/flutter/test/material/page_transitions_theme_test.dart
@@ -8,7 +8,7 @@
 
 void main() {
   testWidgets('Default PageTranstionsTheme platform', (WidgetTester tester) async {
-    await tester.pumpWidget(MaterialApp(home: const Text('home')));
+    await tester.pumpWidget(const MaterialApp(home: Text('home')));
     final PageTransitionsTheme theme = Theme.of(tester.element(find.text('home'))).pageTransitionsTheme;
     expect(theme.builders, isNotNull);
     expect(theme.builders[TargetPlatform.android], isNotNull);