text: #! /usr/bin/env python
  
  """Test hello_world parent workflow"""
  import pytest
  
  
  @pytest.mark.integration
  def test_workflow(workflow_data, workflow_runner):
      """Test the hello_world parent workflow with fixed inputs and outputs."""
      inputs = {
          "input_files": [
              workflow_data["test_file"],
              workflow_data["test_file"],
          ]
      }
      expected = {
          "single_file": workflow_data["test_file"]
      }
      workflow_runner(
          "workflow.wdl",
          inputs,
          expected
      )
  