refactor: cleanup boostrap

catalyst_voices/integration_test/common.dart

@@ -1,6 +1,6 @@
 import 'package:catalyst_voices/app/app.dart';
 import 'package:catalyst_voices/app/view/app_page.dart';
-import 'package:catalyst_voices/configs/main_qa_patrol.dart' as app;
+import 'package:catalyst_voices/configs/bootstrap.dart' as app;
 import 'package:flutter_test/flutter_test.dart';
 import 'package:patrol/patrol.dart';
 
@@ -12,7 +12,7 @@ const _nativeAutomatorConfig = NativeAutomatorConfig(
 );
 
 Future<void> createApp(PatrolIntegrationTester $) async {
-  await app.main();
+  await app.bootstrapForTests();
   await $.pumpWidgetAndSettle(const App());
 }
 

catalyst_voices/lib/configs/bootstrap.dart

@@ -7,6 +7,7 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:go_router/go_router.dart';
 import 'package:url_strategy/url_strategy.dart';
 
+/// Initializes and runs the application provided by the [builder].
 Future<void> bootstrap(FutureOr<Widget> Function() builder) async {
   WidgetsFlutterBinding.ensureInitialized();
 
@@ -24,3 +25,15 @@ Future<void> bootstrap(FutureOr<Widget> Function() builder) async {
 
   runApp(await builder());
 }
+
+/// Initializer for integration tests, similar to [bootstrap] but:
+/// - Must not  call [WidgetsFlutterBinding.ensureInitialized].
+/// - Must not call [runApp].
+/// - Must not override [FlutterError.onError].
+/// - Must be synced with [bootstrap], to run exactly the same
+///   initialization logic except for the above exclusions.
+Future<void> bootstrapForTests() async {
+  GoRouter.optionURLReflectsImperativeAPIs = true;
+  setPathUrlStrategy();
+  Bloc.observer = AppBlocObserver();
+}