class_docstr: Tests webserver deployment.
class_docstr_tok: ["Tests","webserver","deployment","."]
code: def test_default_update_strategy(
      self, airflow_version, expected_strategy
  ):
      docs = render_chart(
          values={"airflowVersion": airflow_version},
          show_only=["templates/webserver/webserver-deployment.yaml"],
      )
  
      assert (
          jmespath.search("spec.strategy", docs[0]) == expected_strategy
      )
  
imports: from __future__ import annotations
  import jmespath
  import pytest
  from tests.charts.helm_template_generator import render_chart
label_desc: Use image node_id 27 for calling the TestWebserverDeployment obj's underlying member method code with example usage: obj.test_default_update_strategy(airflow_version, expected_strategy) without return types