code: def test_all_methods(self, invoke):
      output = invoke(["routes"]).output
      assert "GET, HEAD, OPTIONS, POST" not in output
      output = invoke(["routes", "--all-methods"]).output
      assert "GET, HEAD, OPTIONS, POST" in output
  
imports: import importlib.metadata
  import os
  import platform
  import ssl
  import sys
  import types
  from functools import partial
  from pathlib import Path
  import click
  import pytest
  from _pytest.monkeypatch import notset
  from click.testing import CliRunner
  from flask import Blueprint
  from flask import current_app
  from flask import Flask
  from flask.cli import AppGroup
  from flask.cli import find_best_app
  from flask.cli import FlaskGroup
  from flask.cli import get_version
  from flask.cli import load_dotenv
  from flask.cli import locate_app
  from flask.cli import NoAppException
  from flask.cli import prepare_import
  from flask.cli import run_command
  from flask.cli import ScriptInfo
  from flask.cli import with_appcontext
label_desc: Use image node_id 6 for calling the TestRoutes obj's underlying member method code with example usage: obj.test_all_methods(invoke) without return types