code: def testNoTimeDimensionRaises(self):
      converter = data_converter.AsTrajectory(self._data_context)
      traj = tensor_spec.sample_spec_nest(
          self._data_context.trajectory_spec, outer_dims=[3]
      )
      with self.assertRaisesRegex(
          ValueError,
          r"tensors must have shape \`\[B, T\] \+ spec.shape\`",
      ):
          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 AsTrajectoryTest obj's underlying member method code with example usage: obj.testNoTimeDimensionRaises() without return types