code: def test_getter(self, doc):
      meta = doc._.meta
      assert meta
      assert isinstance(meta, dict)
  
imports: import pytest
  import spacy
  from textacy import load_spacy_lang, make_spacy_doc
label_desc: Use image node_id 3 for calling the TestMeta obj's underlying member method code with example usage: obj.test_getter(doc) without return types