code: def test_page_instance_name_xss_prevention(admin_client):
      xss_string = (
          "<script>alert('Give me your credit card number')</script>"
      )
      with conf_vars({("webserver", "instance_name"): xss_string}):
          resp = admin_client.get("home", follow_redirects=True)
          escaped_xss_string = "&lt;script&gt;alert(&#39;Give me your credit card number&#39;)&lt;/script&gt;"
          check_content_in_response(escaped_xss_string, resp)
          check_content_not_in_response(xss_string, resp)
  
imports: from __future__ import annotations
  import datetime
  import json
  import pytest
  from airflow.jobs.job import Job
  from airflow.jobs.scheduler_job_runner import SchedulerJobRunner
  from airflow.utils import timezone
  from airflow.utils.session import create_session
  from airflow.www import app
  from tests.test_utils.asserts import assert_queries_count
  from tests.test_utils.config import conf_vars
  from tests.test_utils.www import check_content_in_response, check_content_not_in_response
label_desc: Use image node_id 36 for calling a global function with example usage: test_page_instance_name_xss_prevention(admin_client) without return types