msp over wifi implemented

app/test/widget_test.dart

@@ -25,6 +25,7 @@ import 'package:dmc_app/ui/providers/geocoding_provider.dart';
 import 'package:dmc_app/ui/providers/mission_meta_provider.dart';
 import 'package:dmc_app/ui/providers/sharing_provider.dart';
 import 'package:dmc_app/ui/providers/telemetry_provider.dart';
+import 'package:dmc_app/transport/mock/mock_flight_controller_link.dart';
 import 'package:dmc_app/ui/widgets/full_value_chart.dart';
 import 'package:dmc_app/ui/widgets/halo_menu.dart';
 import 'package:dmc_app/ui/widgets/header_wind_pill.dart';
@@ -68,8 +69,21 @@ class _FakeSharingService extends SharingService {
 // path_provider-Plugin (echtes Dateisystem) benoetigt wird.
 AppDatabase _testDatabase() => AppDatabase.forTesting(NativeDatabase.memory());
 
+// flightControllerLinkProvider waehlt inzwischen je nach Verbindungsart
+// (Settings-Default: WLAN) zwischen echtem MSP-ueber-UDP-Link und dem Mock -
+// in Tests immer explizit den Mock erzwingen, sonst wuerde der Fly-Modus
+// versuchen, einen echten Platform-Channel (WifiNetworkSpecifier) zu
+// verwenden, der in der Testumgebung nie eine Antwort liefert und den Test
+// haengen liesse.
 ProviderContainer _testContainer() => ProviderContainer(
-      overrides: [appDatabaseProvider.overrideWithValue(_testDatabase())],
+      overrides: [
+        appDatabaseProvider.overrideWithValue(_testDatabase()),
+        flightControllerLinkProvider.overrideWith((ref) {
+          final link = MockFlightControllerLink();
+          ref.onDispose(link.disconnect);
+          return link;
+        }),
+      ],
     );
 
 /// Der Fly-Modus startet ueber telemetryProvider einen Mock-Telemetrie-
@@ -81,7 +95,14 @@ Future<void> _stopTelemetry(ProviderContainer container) =>
     container.read(flightControllerLinkProvider).disconnect();
 
 Widget _wrap(Widget child) => ProviderScope(
-      overrides: [appDatabaseProvider.overrideWithValue(_testDatabase())],
+      overrides: [
+        appDatabaseProvider.overrideWithValue(_testDatabase()),
+        flightControllerLinkProvider.overrideWith((ref) {
+          final link = MockFlightControllerLink();
+          ref.onDispose(link.disconnect);
+          return link;
+        }),
+      ],
       child: BlocProvider(
         create: (_) => AppModeCubit(),
         child: MaterialApp(home: child),