code: def test_batch_data_padding(self):
      dataset = (([1] * (10 - i), i + 1) for i in range(10))
      batches = data.batch(dataset, 10)
      batch = next(batches)
      self.assertEqual(batch[0].shape, (10, 10))
      self.assertTrue(
          np.array_equal(batch[0][-1], np.asarray([1] + 9 * [0]))
      )
  
imports: import itertools
  import os
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from trax import data
label_desc: Use image node_id 5 for calling the InputsTest obj's underlying member method code with example usage: obj.test_batch_data_padding() without return types