code: def test_latest():
      """wcwidth._wcmatch_version('latest') returns tail item."""
      # given,
      expected = wcwidth.list_versions()[-1]
  
      # exercise,
      result = wcwidth._wcmatch_version("latest")
  
      # verify.
      assert result == expected
  
file_path: catboost/contrib/python/wcwidth/py3/tests/test_ucslevel.py
imports: import warnings
  import pytest
  import wcwidth
label_desc: Use image node_id 1 for calling a global function with example usage: test_latest() without return types