code: def _create_replication_group(self):
      return self.hook.create_replication_group(
          config=self.REPLICATION_GROUP_CONFIG
      )
  
file_path: airflow/tests/providers/amazon/aws/hooks/test_elasticache_replication_group.py
imports: from __future__ import annotations
  from unittest.mock import Mock
  import pytest
  from airflow.exceptions import AirflowException
  from airflow.providers.amazon.aws.hooks.elasticache_replication_group import ElastiCacheReplicationGroupHook
label_desc: Use image node_id 2 for calling the TestElastiCacheReplicationGroupHook obj's underlying member method code with example usage: obj._create_replication_group() and returns: self