code: def test_level4(self, env):
      tmpl = env.get_template("level4")
      assert tmpl.render() == (
          "|block 1 from level1|block 5 from level3|block 3 from level4|"
      )
  
imports: import pytest
  from jinja2 import DictLoader
  from jinja2 import Environment
  from jinja2 import TemplateRuntimeError
  from jinja2 import TemplateSyntaxError
label_desc: Use image node_id 5 for calling the TestInheritance obj's underlying member method code with example usage: obj.test_level4(env) without return types