fix test error

Author: shinonomeow

backend/src/test/test_rss_engine.py

@@ -8,6 +8,10 @@
 
 @pytest.mark.asyncio
 async def test_rss_engine():
+    # Create tables first
+    with Database(e) as db:
+        db.create_table()
+    
     engine = RSSEngine(e)
     manager = RSSManager(e)
     rss_link = "https://mikanani.me/RSS/Bangumi?bangumiId=2353&subgroupid=552"