Update test

Author: Emmanuel Garcia

packages/shared_preferences/shared_preferences_linux/example/integration_test/shared_preferences_test.dart

@@ -9,6 +9,7 @@ import 'dart:async';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:integration_test/integration_test.dart';
 import 'package:shared_preferences_linux/shared_preferences_linux.dart';
+import 'package:shared_preferences_platform_interface/shared_preferences_platform_interface.dart';
 
 void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();
@@ -33,7 +34,7 @@ void main() {
     SharedPreferencesLinux preferences;
 
     setUp(() async {
-      preferences = SharedPreferencesLinux.instance;
+      preferences = SharedPreferencesStorePlatform.instance;
     });
 
     tearDown(() {

packages/shared_preferences/shared_preferences_linux/example/lib/main.dart

@@ -8,6 +8,7 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 import 'package:shared_preferences_linux/shared_preferences_linux.dart';
+import 'package:shared_preferences_platform_interface/shared_preferences_platform_interface.dart';
 
 void main() {
   runApp(MyApp());
@@ -31,7 +32,7 @@ class SharedPreferencesDemo extends StatefulWidget {
 }
 
 class SharedPreferencesDemoState extends State<SharedPreferencesDemo> {
-  final prefs = SharedPreferencesLinux.instance;
+  final prefs = SharedPreferencesStorePlatform.instance;
   late Future<int> _counter;
 
   Future<void> _incrementCounter() async {