fix cache test

Author: BoBer78

tests/app/test_middleware.py

@@ -528,7 +528,7 @@ def test_caching_article_count(app_client, redis_fixture):
     with patch("scholarag.app.middleware.get_cache", redis_fixture):
         # First time to put in the cache
         response = app_client.get(
-            "/retrieval/article_count",
+            "/retrieval/article_count", params={"topics": "random topic"}
         )
 
         assert response.json() == {"article_count": 10}
@@ -589,7 +589,7 @@ def test_caching_article_listing(app_client, redis_fixture, mock_http_calls):
     with patch("scholarag.app.middleware.get_cache", redis_fixture):
         # First time to put in the cache
         response = app_client.get(
-            "/retrieval/article_listing",
+            "/retrieval/article_listing", params={"topics": "random topic"}
         )
 
         assert response.json() == expected