diff --git a/tradein-mvp/backend/tests/tasks/test_domclick_detail_backfill.py b/tradein-mvp/backend/tests/tasks/test_domclick_detail_backfill.py
index ff10c056..dc68ad7c 100644
--- a/tradein-mvp/backend/tests/tasks/test_domclick_detail_backfill.py
+++ b/tradein-mvp/backend/tests/tasks/test_domclick_detail_backfill.py
@@ -162,9 +162,14 @@ async def test_backfill_processes_snapshot_with_cookies_threaded() -> None:
     assert result.blocked == 0
     assert result.failed == 0
     assert mock_fetch.call_count == 3
-    mock_bf_cls.assert_called_once_with(
-        source="domclick", endpoint=fake_settings.browser_http_endpoint, reuse_context=True
-    )
+    # #3197: конструктор с 08.2026 несёт ещё proxy_provider/use_pool/environment
+    # (проводка прокси-пула) -- здесь проверяем только то, что нужно этому тесту,
+    # полная проводка покрыта tests/test_3197_domclick_proxy_pool_wiring.py.
+    mock_bf_cls.assert_called_once()
+    _, bf_kwargs = mock_bf_cls.call_args
+    assert bf_kwargs["source"] == "domclick"
+    assert bf_kwargs["endpoint"] == fake_settings.browser_http_endpoint
+    assert bf_kwargs["reuse_context"] is True
     for call in mock_fetch.call_args_list:
         _, kwargs = call
         assert kwargs.get("cookies") == fake_cookies