code: def test_get_scores(self):
      result = (
          ZScores(self.corpus).set_categories("hamlet").get_scores()
      )
      self.assertEquals(type(result), pd.Series)
      np.testing.assert_array_equal(
          np.array(result.index), self.corpus.get_terms()
      )
  
file_path: scattertext/scattertext/test/test_ZScores.py
imports: from unittest import TestCase
  import pandas
  import numpy
  from scattertext import OncePerDocFrequencyRanker
  from scattertext.termscoring.ZScores import ZScores
  from scattertext.test.test_termDocMatrixFactory import build_hamlet_jz_corpus, build_hamlet_jz_corpus_with_meta
label_desc: Use image node_id 2 for calling the TestZScores obj's underlying member method code with example usage: obj.test_get_scores() without return types