code: def test_get_feature_names_out(create_data):
      data, expected_data = create_data()
  
      t = OneHotEncoder()
      t.fit(data)
  
      out_names = t.get_feature_names_out()
      assert_array_equal(out_names, expected_data.columns.values)
  
file_path: scikit-survival/tests/test_preprocessing.py
imports: from collections import OrderedDict
  import numpy
  from numpy.testing import assert_array_equal
  import pandas
  import pandas.testing
  import pytest
  from sksurv.preprocessing import OneHotEncoder
label_desc: Use image node_id 4 for calling the TestOneHotEncoder obj's underlying member method code with example usage: obj.test_get_feature_names_out(create_data) without return types