class_docstr: Tests pod template file.
class_docstr_tok: ["Tests","pod","template","file","."]
code: def test_validate_if_ssh_known_hosts_are_added(self):
      docs = render_chart(
          values={
              "dags": {
                  "gitSync": {
                      "enabled": True,
                      "containerName": "git-sync-test",
                      "sshKeySecret": "ssh-secret",
                      "knownHosts": "github.com ssh-rsa AAAABdummy",
                      "branch": "test-branch",
                  }
              }
          },
          show_only=["templates/pod-template-file.yaml"],
          chart_dir=self.temp_chart_dir,
      )
      assert {
          "name": "GIT_KNOWN_HOSTS",
          "value": "true",
      } in jmespath.search("spec.initContainers[0].env", docs[0])
      assert {
          "name": "GIT_SSH_KNOWN_HOSTS_FILE",
          "value": "/etc/git-secret/known_hosts",
      } in jmespath.search("spec.initContainers[0].env", docs[0])
      assert {
          "name": "config",
          "mountPath": "/etc/git-secret/known_hosts",
          "subPath": "known_hosts",
          "readOnly": True,
      } in jmespath.search(
          "spec.initContainers[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 7 for calling the TestPodTemplateFile obj's underlying member method code with example usage: obj.test_validate_if_ssh_known_hosts_are_added() without return types