code: def test_get_feats(self):
      doc = whitespace_nlp_with_sentences("A a bb cc.")
      term_freq = UseFullDocAsMetadata().get_doc_metadata(doc)
      self.assertEqual(Counter({"A a bb cc.": 1}), term_freq)
  
imports: from collections import Counter
  from unittest import TestCase
  from scattertext import whitespace_nlp_with_sentences
  from scattertext.features.UseFullDocAsMetadata import UseFullDocAsMetadata
label_desc: Use image node_id 1 for calling the TestUseFullDocAsMetadata obj's underlying member method code with example usage: obj.test_get_feats() without return types