code: def test_get_name(self):
      corpus = build_hamlet_jz_corpus()
      self.assertEqual(
          CohensD(corpus).set_categories("hamlet").get_name(),
          "Cohen's d",
      )
  
file_path: scattertext/scattertext/test/test_cohensD.py
imports: from unittest import TestCase
  import numpy
  from scattertext import OncePerDocFrequencyRanker
  from scattertext.termscoring.CohensD import CohensD, HedgesR
  from scattertext.test.test_termDocMatrixFactory import build_hamlet_jz_corpus_with_meta, build_hamlet_jz_corpus
label_desc: Use image node_id 5 for calling the TestCohensD obj's underlying member method code with example usage: obj.test_get_name() without return types