code: def test_templates_list(test_apps):
      from blueprintapp import app
  
      templates = sorted(app.jinja_env.list_templates())
      assert templates == ["admin/index.html", "frontend/index.html"]
  
imports: import pytest
  from jinja2 import TemplateNotFound
  from werkzeug.http import parse_cache_control_header
  import flask
label_desc: Use image node_id 9 for calling a global function with example usage: test_templates_list(test_apps) without return types