code: def setUp(self):
      super().setUp()
      test_utils.ensure_flag("test_tmpdir")
  
imports: import os
  from absl.testing import absltest
  import gym
  import numpy
  from trax import test_utils
  from trax.rl import task
label_desc: Use image node_id 1 for calling the TaskTest obj's underlying member method code with example usage: obj.setUp() without return types