diff --git a/tests/integration/test_trending.py b/tests/integration/test_trending.py
index f304d35..c76bfd8 100644
--- a/tests/integration/test_trending.py
+++ b/tests/integration/test_trending.py
@@ -36,10 +36,32 @@ class FakeTrendingProvider(MetadataProvider):
         self._series_ids = series_ids
 
     async def get_movie(self, external_id: str) -> dict[str, Any]:
-        return {**FAKE_MOVIE, "id": int(external_id), "title": f"Movie {external_id}"}
+        # FAKE_MOVIE's embedded video id and imdb_id are fixed identifiers
+        # meant to be globally unique per real TMDb movie -- reusing them
+        # unmodified across multiple synthetic movies here would collide
+        # on uq_video_provider_source / uq_external_id_source. Unlike
+        # every other test file (db_session rolls back per test),
+        # refresh_trending's session_scope() commits are never rolled
+        # back, so that collision would otherwise permanently poison the
+        # shared test database for every later test in the same run that
+        # also ingests FAKE_MOVIE unmodified (see test_watch_providers.py).
+        return {
+            **FAKE_MOVIE,
+            "id": int(external_id),
+            "title": f"Movie {external_id}",
+            "videos": {"results": []},
+            "imdb_id": None,
+            "external_ids": {},
+        }
 
     async def get_series(self, external_id: str) -> dict[str, Any]:
-        return {**FAKE_SERIES, "id": int(external_id), "name": f"Series {external_id}"}
+        # Same reasoning as get_movie above, for FAKE_SERIES's imdb_id/tvdb_id.
+        return {
+            **FAKE_SERIES,
+            "id": int(external_id),
+            "name": f"Series {external_id}",
+            "external_ids": {},
+        }
 
     async def get_season(self, series_external_id: str, season_number: int) -> dict[str, Any]:
         raise NotImplementedError