code: def test_dict_loader_cache_invalidates(self):
      mapping = {"foo": "one"}
      env = Environment(loader=loaders.DictLoader(mapping))
      assert env.get_template("foo").render() == "one"
      mapping["foo"] = "two"
      assert env.get_template("foo").render() == "two"
  
imports: import os
  import shutil
  import sys
  import tempfile
  import time
  import weakref
  import pytest
  from jinja2 import Environment
  from jinja2 import loaders
  from jinja2._compat import PY2
  from jinja2._compat import PYPY
  from jinja2.exceptions import TemplateNotFound
  from jinja2.loaders import split_template_path
  import yatest.common
label_desc: Use image node_id 11 for calling the TestLoaders obj's underlying member method code with example usage: obj.test_dict_loader_cache_invalidates() without return types