fix: remove exception during token timeout (#3939)

* chore: remove exception during token timeout

* fix: only call _registerDevice if device token exists

* chore: update device token timeout test

Author: Jordan-Nelson

packages/notifications/push/amplify_push_notifications/lib/src/amplify_push_notifications_impl.dart

@@ -341,12 +341,11 @@ abstract class AmplifyPushNotifications
   }
 
   Future<void> _registerDeviceWhenConfigure() async {
-    late String deviceToken;
-
     try {
       await _hostApi.requestInitialToken();
-      deviceToken =
+      final deviceToken =
           await _bufferedTokenStream.peek.timeout(const Duration(seconds: 5));
+      await _registerDevice(deviceToken);
     } on PlatformException catch (error) {
       // the error mostly like is the App doesn't have corresponding
       // capability to request a push notification device token
@@ -355,17 +354,14 @@ abstract class AmplifyPushNotifications
         recoverySuggestion: 'Review the underlying exception.',
         underlyingException: error,
       );
-    } on TimeoutException catch (error) {
-      throw PushNotificationException(
-        'Timed out awaiting for device token.',
-        recoverySuggestion:
-            'This may happen when the native apps have not been correctly configured'
-            ' for push notifications, review push notification configurations'
-            ' of the native iOS and Android apps of your Flutter project.',
-        underlyingException: error,
+    } on TimeoutException {
+      _logger.error(
+        'Timed out awaiting for device token.'
+        ' This may happen when the native app has not been correctly configured'
+        ' for push notifications. Review push notification configurations'
+        ' of the native iOS and Android apps of your Flutter project.',
       );
     }
-    await _registerDevice(deviceToken);
   }
 
   void _foregroundNotificationListener(

packages/notifications/push/amplify_push_notifications/test/amplify_push_notifications_impl_test.dart

@@ -1,7 +1,6 @@
 // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
-import 'dart:async';
 import 'dart:convert';
 
 import 'package:amplify_core/amplify_core.dart';
@@ -269,21 +268,20 @@ void main() {
       );
     });
 
-    test('configure should fail if timed out awaiting for device token',
+    test('configure should log an error if timed out awaiting for device token',
         () async {
-      expect(
-        plugin.configure(
-          authProviderRepo: authProviderRepo,
-          config: config,
-        ),
-        throwsA(
-          isA<PushNotificationException>().having(
-            (o) => o.underlyingException,
-            'underlyingException',
-            isA<TimeoutException>(),
-          ),
-        ),
+      when(mockPushNotificationsHostApi.getLaunchNotification()).thenAnswer(
+        (_) async => standardAndroidPushMessage.cast(),
+      );
+      final loggerPlugin = InMemoryLogger();
+      AmplifyLogger.category(Category.pushNotifications)
+          .registerPlugin(loggerPlugin);
+      await plugin.configure(
+        authProviderRepo: authProviderRepo,
+        config: config,
       );
+      expect(loggerPlugin.logs.length, 1);
+      expect(loggerPlugin.logs.first.level, LogLevel.error);
     });
   });
   test('should fail configure when registering device is unsuccessful',
@@ -589,3 +587,12 @@ void main() {
     );
   });
 }
+
+class InMemoryLogger implements AWSLoggerPlugin {
+  final List<LogEntry> logs = [];
+
+  @override
+  void handleLogEntry(LogEntry logEntry) {
+    logs.add(logEntry);
+  }
+}