use flutter action with cache

Author: fadi-george

.github/workflows/ci.yml

@@ -11,24 +11,26 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    container:
-      image: ghcr.io/cirruslabs/flutter:3.35.5
 
     steps:
       - name: Checkout OneSignal-Flutter-SDK
         uses: actions/checkout@v5
 
+      - name: Set up Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+          flutter-version: 3.35.5
+          cache: true
+
       - name: Install
         run: flutter pub get
 
       - name: Static Analysis
         run: flutter analyze
 
-      - name: Activate rps
-        run: dart pub global activate rps
-
       - name: Ensure the Dart code is formatted correctly
         run: dart format --set-exit-if-changed --output=none .
 
       - name: Run Flutter unit tests
-        run: rps test
+        run: dart run rps test

pubspec.yaml

@@ -27,5 +27,5 @@ dev_dependencies:
   rps: ^0.9.1
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
-  flutter: ">=1.10.0"
+  sdk: ">=3.0.0 <4.0.0"
+  flutter: ">=3.0.0"

test/mock_channel.dart

@@ -125,10 +125,6 @@ class OneSignalMockChannelController {
       case "OneSignal#removeExternalUserId":
         state.externalId = null;
         return {"success": true};
-      case "OneSignal#setLanguage":
-        state.language =
-            (call.arguments as Map<dynamic, dynamic>)['language'] as String?;
-        return {"success": true};
       case "OneSignal#requestPermission":
         // Location requestPermission (no arguments)
         if (call.arguments == null) {
@@ -204,9 +200,6 @@ class OneSignalMockChannelController {
         break;
       case "OneSignal#arePaused":
         return state.inAppMessagesPaused ?? false;
-      case "OneSignal#lifecycleInit":
-        state.lifecycleInitCalled = true;
-        break;
       case "OneSignal#displayNotification":
         // This is called on OneSignal#notifications channel
         state.displayedNotificationId = (call.arguments