class_docstr: Tests pod template file.
class_docstr_tok: ["Tests","pod","template","file","."]
code: def test_dags_mount(self, dag_values, expected_read_only):
      docs = render_chart(
          values={"dags": dag_values},
          show_only=["templates/pod-template-file.yaml"],
          chart_dir=self.temp_chart_dir,
      )
  
      assert {
          "mountPath": "/opt/airflow/dags",
          "name": "dags",
          "readOnly": expected_read_only,
      } in jmespath.search("spec.containers[0].volumeMounts", docs[0])
  
imports: from __future__ import annotations
  import re
  from pathlib import Path
  from shutil import copyfile, copytree
  from tempfile import TemporaryDirectory
  import jmespath
  import pytest
  from helm_tests.airflow_aux.test_container_lifecycle import CONTAINER_LIFECYCLE_PARAMETERS
  from tests.charts.helm_template_generator import render_chart
label_desc: Use image node_id 4 for calling the TestPodTemplateFile obj's underlying member method code with example usage: obj.test_dags_mount(dag_values, expected_read_only) without return types