docstr: Asserts that the S3KeysUnchangedTrigger correctly serializes its arguments
  and classpath.
docstr_tok: ["Asserts","that","the","S3KeysUnchangedTrigger","correctly","serializes","its","arguments","and","classpath","."]
code: def test_serialization(self):
      """
      Asserts that the S3KeysUnchangedTrigger correctly serializes its arguments
      and classpath.
      """
      trigger = S3KeysUnchangedTrigger(
          bucket_name="test_bucket",
          prefix="test",
          inactivity_period=1,
          min_objects=1,
          inactivity_seconds=0,
          previous_objects=None,
      )
      classpath, kwargs = trigger.serialize()
      assert (
          classpath
          == "airflow.providers.amazon.aws.triggers.s3.S3KeysUnchangedTrigger"
      )
      assert kwargs == {
          "bucket_name": "test_bucket",
          "prefix": "test",
          "inactivity_period": 1,
          "min_objects": 1,
          "inactivity_seconds": 0,
          "previous_objects": set(),
          "allow_delete": True,
          "aws_conn_id": "aws_default",
          "last_activity_time": None,
          "hook_params": {},
          "verify": None,
          "polling_period_seconds": 0,
      }
  
file_path: airflow/tests/providers/amazon/aws/triggers/test_s3.py
imports: from __future__ import annotations
  import asyncio
  from datetime import datetime
  from unittest import mock
  import pytest
  from airflow.providers.amazon.aws.triggers.s3 import S3KeysUnchangedTrigger, S3KeyTrigger
  from airflow.triggers.base import TriggerEvent
label_desc: Use image node_id 1 for calling the TestS3KeysUnchangedTrigger obj's underlying member method code with example usage: obj.test_serialization() without return types