fix(mocktail_image_network): pass onDone callback when listening to stream

packages/mocktail_image_network/lib/src/mocktail_image_network.dart

@@ -81,8 +81,9 @@ HttpClient _createHttpClient() {
   ).thenAnswer((invocation) {
     final onData =
         invocation.positionalArguments[0] as void Function(List<int>);
+    final onDone = invocation.namedArguments[#onDone] as void Function()?;
     return Stream<List<int>>.fromIterable(<List<int>>[_transparentPixelPng])
-        .listen(onData);
+        .listen(onData, onDone: onDone);
   });
   when(() => request.headers).thenReturn(headers);
   when(request.close).thenAnswer((_) async => response);

packages/mocktail_image_network/test/mocktail_image_network_test.dart

@@ -5,7 +5,7 @@ import 'package:mocktail_image_network/mocktail_image_network.dart';
 import 'package:test/test.dart';
 
 void main() {
-  group('mockNetworkImageFor', () {
+  group('mockNetworkImages', () {
     test(
       'should properly mock getUrl and complete without exceptions',
       () async {
@@ -27,5 +27,24 @@ void main() {
         });
       },
     );
+
+    test('should properly pass through onDone', () async {
+      await mockNetworkImages(() async {
+        final client = HttpClient()..autoUncompress = false;
+        final request = await client.getUrl(Uri.https('', ''));
+        final response = await request.close();
+        var onDoneCalled = false;
+        final onDone = () {
+          onDoneCalled = true;
+        };
+
+        response.listen((_) {}, onDone: onDone);
+
+        // Wait for all microtasks to run
+        await Future<void>.delayed(Duration.zero);
+
+        expect(onDoneCalled, isTrue);
+      });
+    });
   });
 }