code: def test_working(self, env):
      env.get_template("working")
  
imports: import pytest
  from jinja2 import DictLoader
  from jinja2 import Environment
  from jinja2 import TemplateRuntimeError
label_desc: Use image node_id 7 for calling the TestInheritance obj's underlying member method code with example usage: obj.test_working(env) without return types