adopt MarianumConnectQuery base in remaining queries

lib/api/marianumconnect/queries/push_device_test/push_device_test.dart

@@ -1,25 +1,15 @@
-import 'package:dio/dio.dart';
-
-import '../../errors/marianumconnect_error.dart';
-import '../../marianumconnect_api.dart';
-import '../../marianumconnect_endpoint.dart';
+import '../../marianumconnect_query.dart';
 
 /// Triggers a test push to all of the current user's registered devices via
 /// `POST /api/mobile/v1/me/push-device/test`. Returns the number of devices the
 /// backend dispatched to (0 when none are registered).
-class PushDeviceTest {
-  final Dio _dio;
+class PushDeviceTest extends MarianumConnectQuery {
+  PushDeviceTest({super.dio});
 
-  PushDeviceTest({Dio? dio}) : _dio = dio ?? MarianumConnectApi.dio();
-
-  Future<int> run() async {
-    try {
-      final response = await _dio.post<Map<String, dynamic>>(
-        MarianumConnectEndpoint.resolve('me/push-device/test'),
-      );
-      return (response.data?['devices'] as num?)?.toInt() ?? 0;
-    } on DioException catch (e) {
-      throw mapMarianumConnectError(e);
-    }
-  }
+  Future<int> run() => guard(() async {
+    final response = await dio.post<Map<String, dynamic>>(
+      endpoint('me/push-device/test'),
+    );
+    return (response.data?['devices'] as num?)?.toInt() ?? 0;
+  });
 }