class_docstr: Class for unittest
docstr: Text Macronizer()._retrieve_morpheus_tag()
code: def test_retrieve_morpheus_entry(self):
      """Text Macronizer()._retrieve_morpheus_tag()"""
      correct = [
          ("n-s---fb-", "puella", "puellā"),
          ("n-s---fn-", "puella", "puella"),
          ("n-s---fv-", "puella", "puella"),
      ]
      current = Macronizer(
          "tag_ngram_123_backoff"
      )._retrieve_morpheus_entry("puella")
      self.assertEqual(current, correct)
  
file_path: cltk/tests/test_prosody.py
imports: import unittest
  from cltk.prosody.lat.clausulae_analysis import Clausulae
  from cltk.prosody.lat.macronizer import Macronizer
  from cltk.prosody.lat.scanner import Scansion
label_desc: Use image node_id 1 for calling the TestSequenceFunctions obj's underlying member method code with example usage: obj.test_retrieve_morpheus_entry() without return types