code: def testTrajectoryInvalidTimeDimensionRaises(self):
      converter = data_converter.AsNStepTransition(
          self._data_context, gamma=0.5, n=4
      )
      traj = tensor_spec.sample_spec_nest(
          self._data_context.trajectory_spec, outer_dims=[2, 3]
      )
      with self.assertRaisesRegex(
          ValueError,
          r"has a time axis dim value \'3\' vs the expected \'5\'",
      ):
          converter(traj)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow.compat.v2
  from tf_agents.agents import data_converter
  from tf_agents.specs import tensor_spec
  from tf_agents.trajectories import time_step
  from tf_agents.trajectories import trajectory
  from tf_agents.utils import test_utils
label_desc: Use image node_id 5 for calling the AsNStepTransitionTest obj's underlying member method code with example usage: obj.testTrajectoryInvalidTimeDimensionRaises() without return types