feat(tests): updated tests coverage to 66.5%

test/features/feed/models/comment_model_test.dart

@@ -189,5 +189,100 @@ void main() {
       expect(comment.authorName, 'John Doe');
       expect(comment.body, 'Test comment');
     });
+
+    test('toJson serializes Comment correctly', () {
+      final comment = Comment(
+        id: 1,
+        authorName: 'John Doe',
+        authorSlug: 'john-doe',
+        authorProfileIcon: 'icon.jpg',
+        body: 'Test comment body',
+        childrenComments: [],
+        createdAt: DateTime(2023, 1, 1),
+      );
+
+      final json = comment.toJson();
+
+      expect(json['id'], 1);
+      expect(json['author_name'], 'John Doe');
+      expect(json['author_slug'], 'john-doe');
+      expect(json['body'], 'Test comment body');
+      expect(json['children_comments'], isA<List>());
+    });
+
+    test('toJson serializes Comment with nested children correctly', () {
+      final childComment = Comment(
+        id: 2,
+        authorName: 'Jane Smith',
+        authorSlug: 'jane-smith',
+        authorProfileIcon: 'icon2.jpg',
+        body: 'Reply comment',
+        childrenComments: [],
+        createdAt: DateTime(2023, 1, 2),
+      );
+
+      final parentComment = Comment(
+        id: 1,
+        authorName: 'John Doe',
+        authorSlug: 'john-doe',
+        authorProfileIcon: 'icon1.jpg',
+        body: 'Parent comment',
+        childrenComments: [childComment],
+        createdAt: DateTime(2023, 1, 1),
+      );
+
+      final json = parentComment.toJson();
+
+      expect(json['id'], 1);
+      expect(json['children_comments'], isA<List>());
+      expect((json['children_comments'] as List).length, 1);
+    });
+  });
+
+  group('CommentModel', () {
+    test('toJson serializes CommentModel correctly', () {
+      final comments = [
+        Comment(
+          id: 1,
+          authorName: 'John Doe',
+          authorSlug: 'john-doe',
+          authorProfileIcon: 'icon1.jpg',
+          body: 'First comment',
+          childrenComments: [],
+          createdAt: DateTime(2023, 1, 1),
+        ),
+      ];
+
+      const links = Links(
+        first: 'http://example.com?page=1',
+        last: 'http://example.com?page=1',
+        prev: null,
+        next: null,
+      );
+
+      const meta = Meta(
+        currentPage: 1,
+        from: 1,
+        lastPage: 1,
+        links: [],
+        path: '/api/comments',
+        perPage: 10,
+        to: 1,
+        total: 1,
+      );
+
+      final model = CommentModel(
+        data: comments,
+        links: links,
+        meta: meta,
+      );
+
+      final json = model.toJson();
+
+      expect(json.containsKey('data'), isTrue);
+      expect(json.containsKey('links'), isTrue);
+      expect(json.containsKey('meta'), isTrue);
+      expect((json['data'] as List).length, 1);
+    });
   });
 }