test: share one FixedSettingsNotifier across tests

Replace 16 private SettingsNotifier fakes that only returned a fixed AppSettings with test/support/fixed_settings.dart. Mornye owner WIP tests and bespoke fakes are untouched.

integration_test/library_paging_performance_test.dart

@@ -16,6 +16,7 @@ import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/screens/mornye_library_screen.dart';
 import 'package:spotiflac_android/theme/mornye_theme.dart';
 
+import '../test/support/fixed_settings.dart';
 import '../test/support/library_paging_fixture.dart';
 import 'performance_probe.dart';
 
@@ -28,11 +29,6 @@ const _request = (
   completeness: null,
 );
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings(localLibraryEnabled: true);
-}
-
 class _History extends DownloadHistoryNotifier {
   @override
   DownloadHistoryState build() => DownloadHistoryState();
@@ -197,7 +193,11 @@ void main() {
             child: ProviderScope(
               key: ValueKey(mountNumber++),
               overrides: [
-                settingsProvider.overrideWith(_Settings.new),
+                settingsProvider.overrideWith(
+                  () => FixedSettingsNotifier(
+                    const AppSettings(localLibraryEnabled: true),
+                  ),
+                ),
                 downloadHistoryProvider.overrideWith(_History.new),
                 localLibraryProvider.overrideWith(_Local.new),
                 libraryBrowsePageLoaderProvider.overrideWithValue(readPage),

test/artist_tag_mode_settings_test.dart

@@ -8,11 +8,7 @@ import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/screens/settings/metadata_settings_page.dart';
 import 'package:spotiflac_android/utils/artist_utils.dart';
 
-/// Skips loading persisted settings; mode changes use the real validation.
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
+import 'support/fixed_settings.dart';
 
 void main() {
   setUp(() => SharedPreferences.setMockInitialValues({}));
@@ -35,7 +31,7 @@ void main() {
       tester.view.devicePixelRatio = 1;
       addTearDown(tester.view.reset);
       final container = ProviderContainer(
-        overrides: [settingsProvider.overrideWith(_Settings.new)],
+        overrides: [settingsProvider.overrideWith(FixedSettingsNotifier.new)],
       );
       addTearDown(container.dispose);
       await tester.pumpWidget(

test/collection_track_rebuild_test.dart

@@ -3,7 +3,6 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:spotiflac_android/l10n/l10n.dart';
 import 'package:spotiflac_android/models/download_item.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/models/track.dart';
 import 'package:spotiflac_android/providers/download_queue_provider.dart';
 import 'package:spotiflac_android/providers/library_collections_provider.dart';
@@ -18,6 +17,8 @@ import 'package:spotiflac_android/widgets/album_detail_header.dart';
 import 'package:spotiflac_android/widgets/track_list_tile.dart';
 import 'package:spotiflac_android/widgets/track_detail_actions.dart';
 
+import 'support/fixed_settings.dart';
+
 const _track = Track(
   id: 'example-track',
   name: 'Example song',
@@ -26,11 +27,6 @@ const _track = Track(
   duration: 180,
 );
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
-
 class _Collections extends LibraryCollectionsNotifier {
   var _batchCalls = 0;
   @override
@@ -89,7 +85,7 @@ void main() {
       final snapshot = Provider<DownloadQueueLookup>((ref) => lookup);
       final container = ProviderContainer(
         overrides: [
-          settingsProvider.overrideWith(_Settings.new),
+          settingsProvider.overrideWith(FixedSettingsNotifier.new),
           libraryCollectionsProvider.overrideWith(_Collections.new),
           currentMediaItemProvider.overrideWith((ref) => Stream.value(null)),
           downloadQueueLookupProvider.overrideWith(
@@ -204,7 +200,7 @@ void main() {
         final collections = _Collections();
         final container = ProviderContainer(
           overrides: [
-            settingsProvider.overrideWith(_Settings.new),
+            settingsProvider.overrideWith(FixedSettingsNotifier.new),
             libraryCollectionsProvider.overrideWith(() => collections),
             recentAccessProvider.overrideWith(_Recent.new),
             currentMediaItemProvider.overrideWith((ref) => Stream.value(null)),

test/download_queue_deleted_file_test.dart

@@ -1,17 +1,13 @@
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:spotiflac_android/models/download_item.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/models/track.dart';
 import 'package:spotiflac_android/providers/download_queue_provider.dart';
 import 'package:spotiflac_android/providers/extension_provider.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/services/source_deletion_events.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
+import 'support/fixed_settings.dart';
 
 class _Extensions extends ExtensionNotifier {
   @override
@@ -109,7 +105,7 @@ void main() {
         );
         final container = ProviderContainer(
           overrides: [
-            settingsProvider.overrideWith(_Settings.new),
+            settingsProvider.overrideWith(FixedSettingsNotifier.new),
             downloadQueueProvider.overrideWith(() => _Queue(initial)),
           ],
         );
@@ -145,7 +141,7 @@ void main() {
       );
       final container = ProviderContainer(
         overrides: [
-          settingsProvider.overrideWith(_Settings.new),
+          settingsProvider.overrideWith(FixedSettingsNotifier.new),
           extensionProvider.overrideWith(_Extensions.new),
           downloadQueueProvider.overrideWith(
             () => _Queue(
@@ -194,7 +190,7 @@ void main() {
       final initial = const DownloadQueueState().copyWith(items: [item]);
       final container = ProviderContainer(
         overrides: [
-          settingsProvider.overrideWith(_Settings.new),
+          settingsProvider.overrideWith(FixedSettingsNotifier.new),
           downloadQueueProvider.overrideWith(() => _Queue(initial)),
         ],
       );

test/download_queue_recovery_test.dart

@@ -4,16 +4,12 @@ import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:spotiflac_android/models/download_item.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/models/track.dart';
 import 'package:spotiflac_android/providers/download_queue_provider.dart';
 import 'package:spotiflac_android/providers/extension_provider.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
+import 'support/fixed_settings.dart';
 
 class _Queue extends DownloadQueueNotifier {
   @override
@@ -75,7 +71,7 @@ void main() {
     final container = ProviderContainer(
       overrides: [
         downloadQueueProvider.overrideWith(() => queue),
-        settingsProvider.overrideWith(_Settings.new),
+        settingsProvider.overrideWith(FixedSettingsNotifier.new),
         extensionProvider.overrideWith(() => extensions),
       ],
     );
@@ -120,7 +116,7 @@ void main() {
       final container = ProviderContainer(
         overrides: [
           downloadQueueProvider.overrideWith(() => queue),
-          settingsProvider.overrideWith(_Settings.new),
+          settingsProvider.overrideWith(FixedSettingsNotifier.new),
           extensionProvider.overrideWith(() => extensions),
         ],
       );

test/download_queue_startup_flush_test.dart

@@ -12,6 +12,8 @@ import 'package:spotiflac_android/providers/download_queue_provider.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/services/app_state_database.dart';
 
+import 'support/fixed_settings.dart';
+
 const _earlyTrack = Track(
   id: 'example:early',
   name: 'Immediate addition',
@@ -20,12 +22,6 @@ const _earlyTrack = Track(
   duration: 180,
 );
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() =>
-      const AppSettings(downloadDirectory: '/fixture/output');
-}
-
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
   test(
@@ -147,7 +143,13 @@ void main() {
       });
       addTearDown(() => messenger.setMockMethodCallHandler(sqlite, null));
       ProviderContainer scope() => ProviderContainer(
-        overrides: [settingsProvider.overrideWith(_Settings.new)],
+        overrides: [
+          settingsProvider.overrideWith(
+            () => FixedSettingsNotifier(
+              const AppSettings(downloadDirectory: '/fixture/output'),
+            ),
+          ),
+        ],
       );
 
       final container = scope();

test/download_retry_batch_test.dart

@@ -13,11 +13,7 @@ import 'package:spotiflac_android/providers/download_queue_provider.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/services/platform_bridge.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() =>
-      const AppSettings(downloadDirectory: '/fixture/output');
-}
+import 'support/fixed_settings.dart';
 
 class _Queue extends DownloadQueueNotifier {
   _Queue(this._items);
@@ -165,7 +161,11 @@ void main() {
           ];
           final container = ProviderContainer(
             overrides: [
-              settingsProvider.overrideWith(_Settings.new),
+              settingsProvider.overrideWith(
+                () => FixedSettingsNotifier(
+                  const AppSettings(downloadDirectory: '/fixture/output'),
+                ),
+              ),
               downloadQueueProvider.overrideWith(() => _Queue(initial)),
             ],
           );
@@ -249,7 +249,11 @@ void main() {
       ];
       final container = ProviderContainer(
         overrides: [
-          settingsProvider.overrideWith(_Settings.new),
+          settingsProvider.overrideWith(
+            () => FixedSettingsNotifier(
+              const AppSettings(downloadDirectory: '/fixture/output'),
+            ),
+          ),
           downloadQueueProvider.overrideWith(() => _Queue(initial)),
         ],
       );
@@ -353,7 +357,11 @@ void main() {
         ];
         final container = ProviderContainer(
           overrides: [
-            settingsProvider.overrideWith(_Settings.new),
+            settingsProvider.overrideWith(
+              () => FixedSettingsNotifier(
+                const AppSettings(downloadDirectory: '/fixture/output'),
+              ),
+            ),
             downloadQueueProvider.overrideWith(() => _Queue(initial)),
           ],
         );

test/download_service_picker_drag_test.dart

@@ -3,12 +3,13 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:spotiflac_android/l10n/app_localizations.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/providers/extension_provider.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/theme/mornye_theme.dart';
 import 'package:spotiflac_android/widgets/download_service_picker.dart';
 
+import 'support/fixed_settings.dart';
+
 class _Extensions extends ExtensionNotifier {
   _Extensions(
     this._qualityCount, {
@@ -87,11 +88,6 @@ class _Extensions extends ExtensionNotifier {
   }
 }
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
-
 void main() {
   for (final (qualityCount, mornye) in [
     (3, false),
@@ -110,7 +106,7 @@ void main() {
           ProviderScope(
             overrides: [
               extensionProvider.overrideWith(() => _Extensions(qualityCount)),
-              settingsProvider.overrideWith(_Settings.new),
+              settingsProvider.overrideWith(FixedSettingsNotifier.new),
             ],
             child: MaterialApp(
               theme: mornye
@@ -190,7 +186,7 @@ void main() {
           ProviderScope(
             overrides: [
               extensionProvider.overrideWith(() => extensions),
-              settingsProvider.overrideWith(_Settings.new),
+              settingsProvider.overrideWith(FixedSettingsNotifier.new),
             ],
             child: MaterialApp(
               theme: MornyeTheme.build(brightness),

test/extension_action_forms_test.dart

@@ -5,16 +5,12 @@ import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:spotiflac_android/l10n/app_localizations.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/theme/mornye_theme.dart';
 import 'package:spotiflac_android/utils/extension_action_forms.dart';
 import 'package:spotiflac_android/widgets/app_bottom_sheet.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
+import 'support/fixed_settings.dart';
 
 void main() {
   const channel = MethodChannel('com.zarz.spotiflac/backend');
@@ -30,7 +26,7 @@ void main() {
   }) {
     return tester.pumpWidget(
       ProviderScope(
-        overrides: [settingsProvider.overrideWith(_Settings.new)],
+        overrides: [settingsProvider.overrideWith(FixedSettingsNotifier.new)],
         child: MaterialApp(
           theme: mornye ? MornyeTheme.build(Brightness.dark) : ThemeData(),
           localizationsDelegates: AppLocalizations.localizationsDelegates,

test/extension_priority_links_test.dart

@@ -2,7 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:spotiflac_android/l10n/app_localizations.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/providers/extension_provider.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/screens/settings/download_fallback_extensions_page.dart';
@@ -12,10 +11,7 @@ import 'package:spotiflac_android/screens/settings/provider_priority_page.dart';
 import 'package:spotiflac_android/theme/mornye_theme.dart';
 import 'package:spotiflac_android/widgets/settings_group.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
+import 'support/fixed_settings.dart';
 
 class _Extensions extends ExtensionNotifier {
   _Extensions(this.extension);
@@ -70,7 +66,7 @@ void main() {
           await tester.pumpWidget(
             ProviderScope(
               overrides: [
-                settingsProvider.overrideWith(_Settings.new),
+                settingsProvider.overrideWith(FixedSettingsNotifier.new),
                 extensionProvider.overrideWith(
                   () => _Extensions(
                     extension.copyWith(

test/extension_settings_ui_test.dart

@@ -7,17 +7,13 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:spotiflac_android/l10n/app_localizations.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/providers/extension_provider.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/screens/settings/extension_detail_page.dart';
 import 'package:spotiflac_android/theme/mornye_theme.dart';
 import 'package:spotiflac_android/widgets/settings_group.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
+import 'support/fixed_settings.dart';
 
 class _Extensions extends ExtensionNotifier {
   @override
@@ -109,7 +105,7 @@ void main() {
         await tester.pumpWidget(
           ProviderScope(
             overrides: [
-              settingsProvider.overrideWith(_Settings.new),
+              settingsProvider.overrideWith(FixedSettingsNotifier.new),
               extensionProvider.overrideWith(_Extensions.new),
             ],
             child: MaterialApp(

test/extension_verification_browser_test.dart

@@ -3,12 +3,13 @@ import 'dart:async';
 import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/providers/track_provider.dart';
 import 'package:spotiflac_android/services/platform_bridge.dart';
 import 'package:spotiflac_android/utils/extension_auth_launcher.dart';
 
+import 'support/fixed_settings.dart';
+
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
   const channel = MethodChannel('plugins.flutter.io/url_launcher');
@@ -114,7 +115,7 @@ void main() {
         return true;
       });
       final container = ProviderContainer(
-        overrides: [settingsProvider.overrideWith(_Settings.new)],
+        overrides: [settingsProvider.overrideWith(FixedSettingsNotifier.new)],
       );
       addTearDown(container.dispose);
       await container
@@ -130,8 +131,3 @@ void main() {
     },
   );
 }
-
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}

test/library_browse_sqlite_paging_test.dart

@@ -8,14 +8,10 @@ import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/services/album_completeness.dart';
 import 'package:spotiflac_android/services/library_queue_store.dart';
 
+import 'support/fixed_settings.dart';
 import 'support/library_paging_fixture.dart';
 import 'support/sqlite_process_database.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings(localLibraryEnabled: true);
-}
-
 class _History extends DownloadHistoryNotifier {
   @override
   DownloadHistoryState build() => DownloadHistoryState();
@@ -102,7 +98,11 @@ void main() {
         var returned = 0;
         final container = ProviderContainer(
           overrides: [
-            settingsProvider.overrideWith(_Settings.new),
+            settingsProvider.overrideWith(
+              () => FixedSettingsNotifier(
+                const AppSettings(localLibraryEnabled: true),
+              ),
+            ),
             downloadHistoryProvider.overrideWith(_History.new),
             localLibraryProvider.overrideWith(_Local.new),
             libraryBrowsePageLoaderProvider.overrideWithValue((page) async {

test/library_settings_cleanup_test.dart

@@ -16,10 +16,7 @@ import 'package:spotiflac_android/theme/mornye_theme.dart';
 import 'package:spotiflac_android/widgets/app_loading_indicator.dart';
 import 'package:spotiflac_android/widgets/settings_group.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings(localLibraryEnabled: true);
-}
+import 'support/fixed_settings.dart';
 
 class _Library extends LocalLibraryNotifier {
   _Library(this._initial, this._cleanup);
@@ -92,7 +89,11 @@ Future<void> _mount(
   await tester.pumpWidget(
     ProviderScope(
       overrides: [
-        settingsProvider.overrideWith(_Settings.new),
+        settingsProvider.overrideWith(
+          () => FixedSettingsNotifier(
+            const AppSettings(localLibraryEnabled: true),
+          ),
+        ),
         localLibraryProvider.overrideWith(() => library),
         downloadHistoryProvider.overrideWith(() => history),
       ],

test/listening_and_releases_screen_test.dart

@@ -2,7 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:spotiflac_android/l10n/l10n.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/providers/weekly_releases_provider.dart';
 import 'package:spotiflac_android/screens/listening_statistics_screen.dart';
@@ -12,10 +11,7 @@ import 'package:spotiflac_android/services/weekly_releases.dart';
 import 'package:spotiflac_android/theme/mornye_theme.dart';
 import 'package:spotiflac_android/widgets/player_artwork.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
+import 'support/fixed_settings.dart';
 
 void main() {
   for (final mornye in [false, true]) {
@@ -32,7 +28,7 @@ void main() {
         await tester.pumpWidget(
           ProviderScope(
             overrides: [
-              settingsProvider.overrideWith(_Settings.new),
+              settingsProvider.overrideWith(FixedSettingsNotifier.new),
               listeningSummaryProvider.overrideWith((ref, period) async {
                 requested.add(period);
                 return ListeningSummary.fromRows([

test/local_library_artwork_test.dart

@@ -23,10 +23,7 @@ import 'package:spotiflac_android/widgets/cached_cover_image.dart';
 import 'package:spotiflac_android/widgets/local_library_artwork_builder.dart';
 import 'package:spotiflac_android/widgets/mornye_artist_header.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings(localLibraryEnabled: false);
-}
+import 'support/fixed_settings.dart';
 
 class _History extends DownloadHistoryNotifier {
   @override
@@ -79,7 +76,13 @@ void main() {
   });
 
   Widget app(Widget home, {bool mornye = false}) => ProviderScope(
-    overrides: [settingsProvider.overrideWith(_Settings.new)],
+    overrides: [
+      settingsProvider.overrideWith(
+        () => FixedSettingsNotifier(
+          const AppSettings(localLibraryEnabled: false),
+        ),
+      ),
+    ],
     child: MaterialApp(
       theme: mornye ? MornyeTheme.build(Brightness.light) : AppTheme.light(),
       localizationsDelegates: AppLocalizations.localizationsDelegates,
@@ -305,7 +308,11 @@ void main() {
       await tester.pumpWidget(
         ProviderScope(
           overrides: [
-            settingsProvider.overrideWith(_Settings.new),
+            settingsProvider.overrideWith(
+              () => FixedSettingsNotifier(
+                const AppSettings(localLibraryEnabled: false),
+              ),
+            ),
             downloadHistoryProvider.overrideWith(_History.new),
             libraryBrowsePageLoaderProvider.overrideWithValue(
               (request) async => LibraryBrowsePage([

test/metadata_separator_settings_test.dart

@@ -3,17 +3,13 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:spotiflac_android/l10n/app_localizations.dart';
-import 'package:spotiflac_android/models/settings.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/screens/settings/metadata_separator_settings_page.dart';
 import 'package:spotiflac_android/theme/mornye_theme.dart';
 import 'package:spotiflac_android/widgets/app_bottom_sheet.dart';
 import 'package:spotiflac_android/widgets/settings_group.dart';
 
-class _Settings extends SettingsNotifier {
-  @override
-  AppSettings build() => const AppSettings();
-}
+import 'support/fixed_settings.dart';
 
 void main() {
   setUp(() => SharedPreferences.setMockInitialValues({}));
@@ -26,7 +22,9 @@ void main() {
           tester.view.devicePixelRatio = 1;
           addTearDown(tester.view.reset);
           final container = ProviderContainer(
-            overrides: [settingsProvider.overrideWith(_Settings.new)],
+            overrides: [
+              settingsProvider.overrideWith(FixedSettingsNotifier.new),
+            ],
           );
           addTearDown(container.dispose);
           await tester.pumpWidget(

test/support/fixed_settings.dart

@@ -0,0 +1,12 @@
+import 'package:spotiflac_android/models/settings.dart';
+import 'package:spotiflac_android/providers/settings_provider.dart';
+
+/// Skips loading persisted settings and serves [initial] unchanged.
+class FixedSettingsNotifier extends SettingsNotifier {
+  FixedSettingsNotifier([this.initial = const AppSettings()]);
+
+  final AppSettings initial;
+
+  @override
+  AppSettings build() => initial;
+}