code: def test_bool_reject(env_async, items):
      tmpl = env_async.from_string('{{ items()|reject|join("|") }}')
      assert tmpl.render(items=items) == "None|False|0"
  
imports: from collections import namedtuple
  import pytest
  from markupsafe import Markup
  from jinja2 import Environment
  from jinja2.async_utils import auto_aiter
label_desc: Use image node_id 14 for calling a global function with example usage: test_bool_reject(env_async, items) without return types