Update tests/unit/test_helpers.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: tpellissier-msft

tests/unit/test_helpers.py

@@ -73,7 +73,7 @@ def __init__(self, responses, org_url="https://org.example", config=None):
         super().__init__(DummyAuth(), org_url, config)
         self._http = DummyHTTPClient(responses)
 
-    def _convert_labels_to_ints(self, logical_name, record):
+    def _convert_labels_to_ints(self, logical_name, record):  # pragma: no cover - test shim
         """Test shim - no-op conversion for simplicity."""
         return record