code: def setUp(self):
      self.tempdir = tempfile.NamedTemporaryFile(delete=False)
      os.unlink(self.tempdir.name)
  
imports: import os
  import shutil
  import tempfile
  import unittest
  from pyspark.testing.utils import ReusedPySparkTestCase, SPARK_HOME
label_desc: Use image node_id 1 for calling the OutputFormatTests obj's underlying member method code with example usage: obj.setUp() without return types