code: def testRunfilesPath(self):
      self.assertTrue(os.stat(deepmind_lab.runfiles_path()))
  
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 8 for calling the DeepMindLabTest obj's underlying member method code with example usage: obj.testRunfilesPath() without return types