Commit from GitHub Actions (Samples Presubmit)

samples/lib/main.dart

@@ -1,3 +1,4 @@
+// Flutter imports:
 import 'package:flutter/material.dart';
 
 void main() {
@@ -9,8 +10,7 @@ class MyApp extends StatelessWidget {
 
   // This widget is the root of your application.
   @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
+  Widget build(BuildContext context) => MaterialApp(
       title: 'Flutter Demo',
       theme: ThemeData(
         // This is the theme of your application.
@@ -33,11 +33,10 @@ class MyApp extends StatelessWidget {
       ),
       home: const MyHomePage(title: 'Flutter Demo Home Page'),
     );
-  }
 }
 
 class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key, required this.title});
+  const MyHomePage({required this.title, super.key});
 
   // This widget is the home page of your application. It is stateful, meaning
   // that it has a State object (defined below) that contains fields that affect

samples/test/widget_test.dart

@@ -5,13 +5,17 @@
 // gestures. You can also use WidgetTester to find child widgets in the widget
 // tree, read text, and verify that the values of widget properties are correct.
 
+// Flutter imports:
 import 'package:flutter/material.dart';
+
+// Package imports:
 import 'package:flutter_test/flutter_test.dart';
 
+// Project imports:
 import 'package:samples/main.dart';
 
 void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+  testWidgets('Counter increments smoke test', (tester) async {
     // Build our app and trigger a frame.
     await tester.pumpWidget(const MyApp());