code: def test_metadata_for_this_package(self):
      md = metadata("egginfo-pkg")
      assert md["author"] == "Steven Ma"
      assert md["LICENSE"] == "Unknown"
      assert md["Name"] == "egginfo-pkg"
      classifiers = md.get_all("Classifier")
      assert "Topic :: Software Development :: Libraries" in classifiers
  
imports: import re
  import textwrap
  import unittest
  import warnings
  import importlib
  import contextlib
  from .None import fixtures
  from importlib.metadata import Distribution, PackageNotFoundError, distribution, entry_points, files, metadata, requires, version
label_desc: Use image node_id 14 for calling the APITests obj's underlying member method code with example usage: obj.test_metadata_for_this_package() without return types