code: def setup_class(cls):
      cls.check_driver()
      cls.hdfs = hdfs_test_client()
      cls.tmp_path = "/tmp/pyarrow-test-{}".format(
          random.randint(0, 1000)
      )
      cls.hdfs.mkdir(cls.tmp_path)
  
imports: import os
  import random
  from io import BytesIO
  from os.path import join
  import numpy
  import pytest
  import pyarrow
  from pyarrow.tests import util
  from pyarrow.tests.parquet.common import _test_dataframe
  from pyarrow.tests.parquet.test_dataset import _test_write_to_dataset_with_partitions, _test_write_to_dataset_no_partitions
  from pyarrow.util import guid
label_desc: Use image node_id 2 for calling the HdfsTestCases obj's underlying member method code with example usage: obj.setup_class(cls) without return types