code: def test_doctor_active_run(capsys):
      with mlflow.start_run() as run:
          mlflow.doctor()
          captured = capsys.readouterr()
          assert f"Active run ID: {run.info.run_id}" in captured.out
  
imports: from unittest import mock
  import mlflow
label_desc: Use image node_id 2 for calling a global function with example usage: test_doctor_active_run(capsys) without return types