code: def test_should_add_airflow_home_notset():
      docs = render_chart(
          values={},
          show_only=["templates/webserver/webserver-deployment.yaml"],
      )
      assert {
          "name": "AIRFLOW_HOME",
          "value": "/opt/airflow",
      } in jmespath.search(
          "spec.template.spec.containers[0].env", docs[0]
      )
  
imports: from __future__ import annotations
  import jmespath
  from tests.charts.helm_template_generator import render_chart
label_desc: Use image node_id 2 for calling a global function with example usage: test_should_add_airflow_home_notset() without return types