code: def plugin_func_list(tree):
      """Return a list of expected reports."""
      return [EXPECTED_REPORT + (type(plugin_func_list),)]
  
imports: from __future__ import annotations
  import importlib.metadata
  import sys
  from unittest import mock
  import pytest
  from flake8 import checker
  from flake8.plugins import finder
  from flake8.processor import FileProcessor
label_desc: Use image node_id 2 for calling a global function with example usage: plugin_func_list(tree) and returns: list