code: def tearDownClass(cls) -> None:
      if os.path.exists(resource_path):
          shutil.rmtree(resource_path)
  
file_path: BigDL/python/ppml/test/bigdl/ppml/test_ppml_context.py
imports: import unittest
  import os
  import random
  import shutil
  from bigdl.ppml.ppml_context import *
  from pyspark.sql.types import StructType, StructField, StringType
label_desc: Use image node_id 2 for calling the TestPPMLContext obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types