code: def test_default_configuration(self):
      transformation, original = _test_preprocessing(NoPreprocessing)
      self.assertEqual(transformation.shape[0], original.shape[0])
      self.assertEqual(transformation.shape[1], original.shape[1])
      self.assertFalse((transformation == 0).all())
      self.assertEqual(np.sum(original), np.sum(transformation))
      self.assertEqual(np.min(original), np.min(transformation))
      self.assertEqual(np.max(original), np.max(transformation))
      self.assertEqual(np.std(original), np.std(transformation))
      self.assertEqual(np.mean(original), np.mean(transformation))
  
imports: import numpy
  from autosklearn.pipeline.components.feature_preprocessing.no_preprocessing import NoPreprocessing
  from autosklearn.pipeline.util import PreprocessingTestCase, _test_preprocessing
label_desc: Use image node_id 1 for calling the NoneComponentTest obj's underlying member method code with example usage: obj.test_default_configuration() without return types