code: def testBatchedTableLookup(self, tbl, row, col, expected):
      actual = ce._batched_table_lookup(tbl, row, col)
      np.testing.assert_almost_equal(expected, self.evaluate(actual))
  
file_path: agents/tf_agents/bandits/environments/classification_environment_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import parameterized
  from absl.testing.absltest import mock
  import numpy
  import tensorflow
  import tensorflow_probability
  from tf_agents.bandits.environments import classification_environment
label_desc: Use image node_id 1 for calling the ClassificationEnvironmentTest obj's underlying member method code with example usage: obj.testBatchedTableLookup(tbl, row, col, expected) without return types