code: def setup_method(self):
      args = {"owner": "airflow", "start_date": DEFAULT_DATE}
  
      self.dag = DAG("test_dag_id", default_args=args)
  
      self.mock_operator = MongoToS3Operator(
          task_id=TASK_ID,
          mongo_conn_id=MONGO_CONN_ID,
          aws_conn_id=AWS_CONN_ID,
          mongo_collection=MONGO_COLLECTION,
          mongo_query=MONGO_QUERY,
          s3_bucket=S3_BUCKET,
          s3_key=S3_KEY,
          dag=self.dag,
          compression=COMPRESSION,
      )
  
file_path: airflow/tests/providers/amazon/aws/transfers/test_mongo_to_s3.py
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from airflow.models import DAG, DagRun, TaskInstance
  from airflow.providers.amazon.aws.transfers.mongo_to_s3 import MongoToS3Operator
  from airflow.utils import timezone
label_desc: Use image node_id 1 for calling the TestMongoToS3Operator obj's underlying member method code with example usage: obj.setup_method() without return types