code: def test_most_common_with_n(self):
      texts = [
          [
              "human",
              "human",
              "human",
              "computer",
              "computer",
              "interface",
              "interface",
          ]
      ]
      d = Dictionary(texts)
      expected = [("human", 3), ("computer", 2)]
      assert d.most_common(n=2) == expected
  
imports: from collections.abc import Mapping
  from itertools import chain
  import logging
  import unittest
  import codecs
  import os
  import os.path
  import scipy
  import gensim
  from gensim.corpora import Dictionary
  from gensim.utils import to_utf8
  from gensim.test.utils import get_tmpfile, common_texts
label_desc: Use image node_id 23 for calling the TestDictionary obj's underlying member method code with example usage: obj.test_most_common_with_n() without return types