code: def test_incorrect_strip_underscores(multiindex_dataframe):
      """Checks error is thrown when `strip_underscores` is given an
      invalid argument.
      """
      with pytest.raises(JanitorError):
          multiindex_dataframe.clean_names(strip_underscores="hello")
  
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 8 for calling a global function with example usage: test_incorrect_strip_underscores(multiindex_dataframe) without return types