code: def test_extra_link(self, execution_arn, expected_url: str):
      self.assert_extra_link_url(
          expected_url=expected_url,
          region_name="eu-west-1",
          aws_partition="aws",
          execution_arn=execution_arn,
      )
  
file_path: airflow/tests/providers/amazon/aws/links/test_step_function.py
imports: from __future__ import annotations
  import pytest
  from airflow.providers.amazon.aws.links.step_function import StateMachineDetailsLink, StateMachineExecutionsDetailsLink
  from tests.providers.amazon.aws.links.test_base_aws import BaseAwsLinksTestCase
label_desc: Use image node_id 1 for calling the TestStateMachineExecutionsDetailsLink obj's underlying member method code with example usage: obj.test_extra_link(execution_arn, expected_url) without return types