code: def test_filter_empty_examples(self):
      tensors1 = [
          (np.zeros((0,)), np.ones((1, 5))),
          (np.zeros((1, 5)), np.ones((1, 5))),
      ]
  
      filter_empty_examples_function1 = (
          data.inputs.FilterEmptyExamples()
      )
      filtered1 = next(filter_empty_examples_function1(tensors1))
      self.assertEqual(filtered1[0].shape, (1, 5))
      self.assertEqual(filtered1[1].shape, (1, 5))
  
      filter_empty_examples_function2 = data.inputs.FilterEmptyExamples(
          axes=[1]
      )
      filtered2 = next(filter_empty_examples_function2(tensors1))
      self.assertEqual(filtered2[0].shape, (0,))
      self.assertEqual(filtered2[1].shape, (1, 5))
  
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 27 for calling the InputsTest obj's underlying member method code with example usage: obj.test_filter_empty_examples() without return types