code: def test_init(self):
      operator = LocalFilesystemToS3Operator(
          task_id="file_to_s3_operator",
          dag=self.dag,
          filename=self.testfile1,
          dest_key=self.dest_key,
          dest_bucket=self.dest_bucket,
          **CONFIG,
      )
      assert operator.filename == self.testfile1
      assert operator.dest_key == self.dest_key
      assert operator.dest_bucket == self.dest_bucket
      assert operator.verify == CONFIG["verify"]
      assert operator.replace == CONFIG["replace"]
      assert operator.encrypt == CONFIG["encrypt"]
      assert operator.gzip == CONFIG["gzip"]
  
file_path: airflow/tests/providers/amazon/aws/transfers/test_local_to_s3.py
imports: from __future__ import annotations
  import datetime
  import os
  import boto3
  import pytest
  from moto import mock_s3
  from airflow.models.dag import DAG
  from airflow.providers.amazon.aws.transfers.local_to_s3 import LocalFilesystemToS3Operator
label_desc: Use image node_id 3 for calling the TestFileToS3Operator obj's underlying member method code with example usage: obj.test_init() without return types