code: def test_default_configuration(self):
      transformation, original = _test_preprocessing(RandomKitchenSinks)
      self.assertEqual(transformation.shape[0], original.shape[0])
      self.assertEqual(transformation.shape[1], 100)
      self.assertFalse((transformation == 0).all())
  
imports: from autosklearn.pipeline.components.feature_preprocessing.kitchen_sinks import RandomKitchenSinks
  from autosklearn.pipeline.util import PreprocessingTestCase, _test_preprocessing
  import unittest
label_desc: Use image node_id 1 for calling the KitchenSinkComponent obj's underlying member method code with example usage: obj.test_default_configuration() without return types