code: def setUp(self):
      class_name = self.__class__.__name__
      self.tempFile = tempfile.NamedTemporaryFile(delete=False)
      self.tempFile.write(
          b'echo {\\"name\\": \\"gpu\\", \\"addresses\\": [\\"0\\"]}'
      )
      self.tempFile.close()
      # create temporary directory for Worker resources coordination
      self.tempdir = tempfile.NamedTemporaryFile(delete=False)
      os.unlink(self.tempdir.name)
      os.chmod(
          self.tempFile.name,
          stat.S_IRWXU
          | stat.S_IXGRP
          | stat.S_IRGRP
          | stat.S_IROTH
          | stat.S_IXOTH,
      )
      conf = SparkConf().set("spark.test.home", SPARK_HOME)
      conf = conf.set("spark.driver.resource.gpu.amount", "1")
      conf = conf.set(
          "spark.driver.resource.gpu.discoveryScript",
          self.tempFile.name,
      )
      self.sc = SparkContext(
          "local-cluster[2,1,1024]", class_name, conf=conf
      )
  
imports: import os
  import shutil
  import stat
  import tempfile
  import threading
  import time
  import unittest
  from collections import namedtuple
  from pyspark import SparkConf, SparkFiles, SparkContext
  from pyspark.testing.utils import ReusedPySparkTestCase, PySparkTestCase, QuietTest, SPARK_HOME
label_desc: Use image node_id 1 for calling the ContextTestsWithResources obj's underlying member method code with example usage: obj.setUp() without return types