code: def test_clean_names_strip_accents():
      """Tests clean_names `strip_accents` parameter."""
      df = pd.DataFrame(
          {"João": [1, 2], "Лука́ся": [1, 2], "Käfer": [1, 2]}
      )
      df = df.clean_names(strip_accents=True)
      expected_columns = ["joao", "лукася", "kafer"]
      assert set(df.columns) == set(expected_columns)
  
file_path: pyjanitor/tests/functions/test_clean_names.py
imports: import pandas
  import pytest
  from janitor.errors import JanitorError
label_desc: Use image node_id 7 for calling a global function with example usage: test_clean_names_strip_accents() without return types