use flutter drive for integration tests

.github/scripts/run_integration_tests.sh

@@ -0,0 +1,5 @@
+flutter drive \
+    --target=integration_test/e2e_test.dart \
+    --driver=test_driver/integration_driver.dart \
+    --flavor=dev \
+    --dart-define cameraStubImage=assets/camera_stub_image.jpg

.github/workflows/run_integration_tests.yml

@@ -9,10 +9,6 @@ on:
   workflow_dispatch:
   workflow_call:
 
-env:
-  BUILD_ARGS: --flavor dev --dart-define cameraStubImage=assets/camera_stub_image.jpg
-  TARGET: integration_test/run_all_tests.dart
-
 jobs:
   run-integration-tests:
     name: Run integration tests
@@ -71,7 +67,7 @@ jobs:
           target: default
           arch: x86_64
           profile: pixel_6
-          script: flutter test $TARGET $BUILD_ARGS
+          script: bash .github/scripts/run_integration_tests.sh
 
       - name: Launch iOS simulator
         uses: futureware-tech/simulator-action@v3
@@ -80,4 +76,4 @@ jobs:
           model: "iPhone 15 Pro"
       - name: Run tests
         if: ${{ matrix.os == 'macos-13' }}
-        run: flutter test $TARGET $BUILD_ARGS
+        run: bash .github/scripts/run_integration_tests.sh

integration_test/e2e_test.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:integration_test/integration_test.dart';
 import 'package:lightmeter/data/models/ev_source_type.dart';
 import 'package:lightmeter/data/models/metering_screen_layout_config.dart';
 import 'package:lightmeter/data/shared_prefs_service.dart';
@@ -24,6 +25,8 @@ import 'mocks/paid_features_mock.dart';
 import 'utils/expectations.dart';
 
 void main() {
+  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+  
   setUp(() {
     SharedPreferences.setMockInitialValues({
       /// Metering values

integration_test/run_integration_tests.sh

@@ -0,0 +1,5 @@
+flutter drive \
+    --target=integration_test/e2e_test.dart \
+    --driver=test_driver/integration_driver.dart \
+    --flavor=dev \
+    --dart-define cameraStubImage=assets/camera_stub_image.jpg

test_driver/integration_driver.dart

@@ -1,8 +1,5 @@
 import 'package:integration_test/integration_test_driver_extended.dart';
 
-import 'utils/grant_camera_permission.dart';
-
 Future<void> main() async {
-  await grantCameraPermission();
   await integrationDriver();
 }