code: def test_estimator_checks(test_fn):
      test_fn(ColumnCapper.__name__, ColumnCapper())
  
file_path: scikit-lego/tests/test_preprocessing/test_columncapper.py
imports: import numpy
  import pandas
  import pytest
  from sklearn.utils.validation import FLOAT_DTYPES
  from sklego.common import flatten
  from sklego.preprocessing import ColumnCapper
  from tests.conftest import general_checks, nonmeta_checks, select_tests, transformer_checks
label_desc: Use image node_id 1 for calling a global function with example usage: test_estimator_checks(test_fn) without return types