code: def testReset(self):
      lab = deepmind_lab.Lab("tests/empty_room_test", [], {})
      with six.assertRaisesRegex(
          self, ValueError, "'seed' must be int or None, was 'str'"
      ):
          lab.reset(seed="invalid")
  
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 2 for calling the DeepMindLabTest obj's underlying member method code with example usage: obj.testReset() without return types