Fix test_roundtrip_provider_example_dags (#49647)

Author: gopidesupavan

airflow-core/tests/unit/serialization/test_dag_serialization.py

@@ -685,10 +685,14 @@ def validate_deserialized_dag(self, serialized_dag: DAG, dag: DAG):
         for field in fields_to_check:
             actual = getattr(serialized_dag, field)
             expected = getattr(dag, field, None)
+
+            if field == "max_consecutive_failed_dag_runs":
+                # TaskSDK sets -1 default to max_consecutive_failed_dag_runs
+                assert actual in [expected, 0], f"{dag.dag_id}.{field} does not match"
+                continue
             assert actual == expected, f"{dag.dag_id}.{field} does not match"
         # _processor_dags_folder is only populated at serialization time
         # it's only used when relying on serialized dag to determine a dag's relative path
-        assert dag._processor_dags_folder is None
         assert (
             serialized_dag._processor_dags_folder
             == (AIRFLOW_REPO_ROOT_PATH / "airflow-core" / "tests" / "unit" / "dags").as_posix()