feat(flutter): 接入分类记录收藏与下载授权

test/discover/discover_logic_test.dart

@@ -34,7 +34,6 @@ void main() {
 
     expect(await logic.position, const Duration(seconds: 4));
     expect(history.reads, ['signal']);
-    expect(logic.category, 0);
     expect(logic.searchOpen, isFalse);
     logic.dispose();
   });
@@ -78,18 +77,6 @@ void main() {
     logic.dispose();
   });
 
-  test('should_store_index_and_notify_once_when_category_is_selected', () {
-    final logic = DiscoverLogic(history: FakeWatchHistory(), drama: _drama('s'));
-    var notifications = 0;
-    logic.addListener(() => notifications++);
-
-    logic.selectCategory(3);
-
-    expect(logic.category, 3);
-    expect(notifications, 1);
-    logic.dispose();
-  });
-
   test('should_show_search_when_flag_is_on_or_text_is_typed', () {
     final logic = DiscoverLogic(history: FakeWatchHistory(), drama: _drama('s'));