code: def setup_import_issue_tests(self, fakefile):
      listdir = os.listdir
      os.listdir = lambda _: [fakefile]
      isfile = os.path.isfile
      os.path.isfile = lambda _: True
      orig_sys_path = sys.path[:]
  
      def restore():
          os.path.isfile = isfile
          os.listdir = listdir
          sys.path[:] = orig_sys_path
  
      self.addCleanup(restore)
  
imports: import os.path
  from os.path import abspath
  import re
  import sys
  import types
  import pickle
  from test import support
  from test.support import import_helper
  import unittest
  import unittest.mock
  import test.test_unittest
label_desc: Use image node_id 9 for calling the TestDiscovery obj's underlying member method code with example usage: obj.setup_import_issue_tests(fakefile) without return types