push registration no longer depends on notification permission, reporting effective opt-in and os permission

test/push/push_permission_test.dart

@@ -1,5 +1,6 @@
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:marianum_mobile/api/marianumconnect/queries/telemetry_heartbeat/telemetry_heartbeat.dart';
 import 'package:marianum_mobile/push/push_registration.dart';
 
 void main() {
@@ -37,4 +38,36 @@ void main() {
       expect(AuthorizationStatus.values, hasLength(5));
     });
   });
+
+  group('PushRegistration.canDisplay', () {
+    test('only authorized and provisional show notifications', () {
+      expect(
+        AuthorizationStatus.values.where(PushRegistration.canDisplay),
+        unorderedEquals([
+          AuthorizationStatus.authorized,
+          AuthorizationStatus.provisional,
+        ]),
+      );
+    });
+  });
+
+  group('osPermissionWireValue', () {
+    test('maps every status', () {
+      expect(osPermissionWireValue(AuthorizationStatus.authorized), 'granted');
+      expect(
+        osPermissionWireValue(AuthorizationStatus.provisional),
+        'provisional',
+      );
+      expect(osPermissionWireValue(AuthorizationStatus.denied), 'denied');
+      expect(
+        osPermissionWireValue(AuthorizationStatus.deniedPermanently),
+        'denied',
+      );
+      expect(
+        osPermissionWireValue(AuthorizationStatus.notDetermined),
+        'notDetermined',
+      );
+      expect(osPermissionWireValue(null), isNull);
+    });
+  });
 }