class_docstr: Tests redis.
code: def test_scheduler_name(self):
      docs = render_chart(
          values={"schedulerName": "airflow-scheduler"},
          show_only=["templates/redis/redis-statefulset.yaml"],
      )
  
      assert "airflow-scheduler" == jmespath.search(
          "spec.template.spec.schedulerName",
          docs[0],
      )
  
imports: from __future__ import annotations
  import re
  from base64 import b64decode
  from subprocess import CalledProcessError
  import jmespath
  import pytest
  from tests.charts.helm_template_generator import prepare_k8s_lookup_dict, render_chart
label_desc: Use image node_id 13 for calling the TestRedis obj's underlying member method code with example usage: obj.test_scheduler_name() without return types