code: def test_wrong_column():
      """Test mismatch between X column names and target_cols."""
      transformer = WindowSummarizer(target_cols=["dummy"])
      Xt = transformer.fit_transform(X_ll_train)
      return Xt
  
file_path: sktime/sktime/transformations/series/tests/test_window_summarizer.py
imports: import numpy
  import pandas
  import pytest
  from sktime.datasets import load_airline, load_longley
  from sktime.datatypes import get_examples
  from sktime.split import temporal_train_test_split
  from sktime.tests.test_switch import run_test_for_class
  from sktime.transformations.series.summarize import WindowSummarizer
label_desc: Use image node_id 4 for calling a global function with example usage: test_wrong_column() and returns: Xt