Update test files with refinements and fixes

- test_anime_endpoints.py: Minor updates
- test_download_retry.py: Refinements
- test_i18n.js: Updates
- test_tmdb_client.py: Improvements
- test_tmdb_rate_limiting.py: Test enhancements
- test_user_preferences.js: Updates

tests/api/test_anime_endpoints.py

@@ -160,12 +160,14 @@ async def authenticated_client():
         yield client
 
 
+@pytest.mark.skip(reason="Disabled: list_anime now uses service layer pattern, covered by integration tests")
 def test_list_anime_direct_call():
-    """Test list_anime function directly."""
-    # NOTE: This test is disabled after refactoring to use service layer
-    # list_anime now requires AnimeService instead of series_app
-    # Functionality is covered by integration tests (test_list_anime_endpoint)
-    pytest.skip("Disabled: list_anime now uses service layer pattern")
+    """Test list_anime function directly.
+    
+    NOTE: This test is disabled after refactoring to use service layer
+    list_anime now requires AnimeService instead of series_app
+    Functionality is covered by integration tests (test_list_anime_endpoint)
+    """
     fake = FakeSeriesApp()
     result = asyncio.run(anime_module.list_anime(series_app=fake))
     assert isinstance(result, list)