code: def testRunClosed(self):
      env = deepmind_lab.Lab("lt_chasm", ["RGB_INTERLEAVED"])
      env.reset(episode=42, seed=7)
      env.close()
  
      action = np.zeros((7,), dtype=np.intc)
  
      with six.assertRaisesRegex(
          self, RuntimeError, "wrong status to advance"
      ):
          env.step(action)
      with six.assertRaisesRegex(self, RuntimeError, "wrong status"):
          env.observations()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  from absl.testing import absltest
  import numpy
  import six
  import deepmind_lab
label_desc: Use image node_id 7 for calling the DeepMindLabTest obj's underlying member method code with example usage: obj.testRunClosed() without return types