code: def setup_test_cases(self):
      self.default_op_kwargs = {
          "task_id": "test_task",
          "message_content": "hello",
          "aws_conn_id": None,
          "region_name": REGION_NAME,
      }
      self.sqs_client = SqsHook(
          aws_conn_id=None, region_name=REGION_NAME
      ).conn
  
file_path: airflow/tests/providers/amazon/aws/operators/test_sqs.py
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from botocore.exceptions import ClientError
  from moto import mock_sqs
  from airflow.providers.amazon.aws.hooks.sqs import SqsHook
  from airflow.providers.amazon.aws.operators.sqs import SqsPublishOperator
label_desc: Use image node_id 1 for calling the TestSqsPublishOperator obj's underlying member method code with example usage: obj.setup_test_cases() without return types