test(nspd): align denorm_dump tests with skipped-count return shape (#1660)

backend/tests/services/test_nspd_denorm.py

@@ -304,12 +304,15 @@ def test_denorm_dump_empty_features() -> None:
     db = _make_mock_session()
     counts = denorm_dump(db, quarter_cad="66:41:0101001", features=[])
 
-    assert counts == {"parcels": 0, "buildings": 0, "errors": 0}
+    assert counts == {"parcels": 0, "buildings": 0, "errors": 0, "skipped": 0}
     db.commit.assert_called_once()
 
 
-def test_denorm_dump_no_cad_num_counted_as_error() -> None:
-    """Parcel без cad_num → denorm_parcel_feature returns False → errors += 1."""
+def test_denorm_dump_no_cad_num_counted_as_skipped() -> None:
+    """Parcel без cad_num → pre-check в denorm_dump → skipped += 1, не errors.
+
+    denorm_parcel_feature не вызывается вовсе — пропуск штатный, не сбой UPSERT.
+    """
     db = _make_mock_session()
     feature: dict[str, Any] = {
         "layer": "parcels",
@@ -319,4 +322,5 @@ def test_denorm_dump_no_cad_num_counted_as_error() -> None:
     }
     counts = denorm_dump(db, quarter_cad="66:41:0101001", features=[feature])
     assert counts["parcels"] == 0
-    assert counts["errors"] == 1
+    assert counts["errors"] == 0
+    assert counts["skipped"] == 1