code: def testDifferentShape(self):
      input_components = (
          np.tile(np.array([[1], [2], [3], [4]]), 20),
          np.tile(np.array([[12], [13], [14], [15]]), 4),
      )
      to_concatenate_components = (
          np.tile(np.array([[1], [2], [3], [4], [5]]), 20),
          np.tile(np.array([[12], [13], [14], [15], [16]]), 15),
      )
  
      input_dataset = dataset_ops.Dataset.from_tensor_slices(
          input_components
      )
      dataset_to_concatenate = dataset_ops.Dataset.from_tensor_slices(
          to_concatenate_components
      )
      concatenated = input_dataset.concatenate(dataset_to_concatenate)
      self.assertEqual(
          [
              ts.as_list()
              for ts in nest.flatten(
                  dataset_ops.get_legacy_output_shapes(concatenated)
              )
          ],
          [[20], [None]],
      )
      get_next = self.getNext(concatenated)
      for i in range(9):
          result = self.evaluate(get_next())
          if i < 4:
              for component, result_component in zip(
                  input_components, result
              ):
                  self.assertAllEqual(component[i], result_component)
          else:
              for component, result_component in zip(
                  to_concatenate_components, result
              ):
                  self.assertAllEqual(
                      component[i - 4], result_component
                  )
      with self.assertRaises(errors.OutOfRangeError):
          self.evaluate(get_next())
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.experimental.ops import random_access
  from tensorflow.python.data.kernel_tests import checkpoint_test_base
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import options
  from tensorflow.python.data.util import nest
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the ConcatenateTest obj's underlying member method code with example usage: obj.testDifferentShape() without return types