fix tests

packages/stream_chat_flutter_core/lib/src/message_search_list_core.dart

@@ -114,6 +114,10 @@ class MessageSearchListCoreState extends State<MessageSearchListCore> {
     if (newMessageSearchBloc != _messageSearchBloc) {
       _messageSearchBloc = newMessageSearchBloc;
       loadData();
+      if (widget.messageSearchListController != null) {
+        widget.messageSearchListController!.loadData = loadData;
+        widget.messageSearchListController!.paginateData = paginateData;
+      }
     }
 
     super.didChangeDependencies();

packages/stream_chat_flutter_core/lib/src/user_list_core.dart

@@ -130,6 +130,10 @@ class UserListCoreState extends State<UserListCore>
     if (newUsersBloc != _usersBloc) {
       _usersBloc = newUsersBloc;
       loadData();
+      if (widget.userListController != null) {
+        widget.userListController!.loadData = loadData;
+        widget.userListController!.paginateData = paginateData;
+      }
     }
     super.didChangeDependencies();
   }

packages/stream_chat_flutter_core/test/message_search_list_core_test.dart

@@ -107,6 +107,7 @@ void main() {
           ),
         ),
       );
+      await tester.pumpAndSettle();
 
       expect(find.byKey(messageSearchListCoreKey), findsOneWidget);
       expect(controller.loadData, isNotNull);