class_docstr: Tests pod template file.
class_docstr_tok: ["Tests","pod","template","file","."]
code: def test_should_add_extra_containers(self):
      docs = render_chart(
          values={
              "workers": {
                  "extraContainers": [
                      {
                          "name": "test-container",
                          "image": "test-registry/test-repo:test-tag",
                      }
                  ],
              },
          },
          show_only=["templates/pod-template-file.yaml"],
          chart_dir=self.temp_chart_dir,
      )
  
      assert {
          "name": "test-container",
          "image": "test-registry/test-repo:test-tag",
      } == jmespath.search("spec.containers[-1]", 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 28 for calling the TestPodTemplateFile obj's underlying member method code with example usage: obj.test_should_add_extra_containers() without return types