fix unit test

dagfactory/dagbuilder.py

@@ -651,7 +651,8 @@ def process_file_with_datasets(
         :returns: The result of the condition evaluation if `condition_string` is provided, otherwise a list of `Dataset` objects.
         :rtype: Any
         """
-        if condition_string:
+        is_airflow_version_at_least_2_9 = version.parse(AIRFLOW_VERSION) >= version.parse("2.9.0")
+        if condition_string and is_airflow_version_at_least_2_9:
             map_datasets = utils.get_datasets_map_uri_yaml_file(file, datasets_filter)
             dataset_map = {alias_dataset: Dataset(uri) for alias_dataset, uri in map_datasets.items()}
             return eval(condition_string, {}, dataset_map)
@@ -692,14 +693,10 @@ def configure_schedule(dag_params: Dict[str, Any], dag_kwargs: Dict[str, Any]) -
 
                 dag_kwargs["schedule"] = DagBuilder.process_file_with_datasets(file, datasets_filter, condition_string)
 
-            elif has_conditions_attr and has_datasets_attr:
+            elif has_conditions_attr and has_datasets_attr and is_airflow_version_at_least_2_9:
                 datasets_filter = schedule["datasets"]
                 condition_string = schedule["conditions"]
-
-                if is_airflow_version_at_least_2_9:
-                    dag_kwargs["schedule"] = DagBuilder.evaluate_condition_with_datasets(
-                        condition_string, datasets_filter
-                    )
+                dag_kwargs["schedule"] = DagBuilder.evaluate_condition_with_datasets(condition_string, datasets_filter)
 
             else:
                 dag_kwargs["schedule"] = [Dataset(uri) for uri in schedule]