code: def test_bootstrapping_with_regular_install(self):
      ensurepip.bootstrap()
      self.assertEqual(self.os_environ["ENSUREPIP_OPTIONS"], "install")
  
imports: import contextlib
  import os
  import os.path
  import sys
  import tempfile
  import test.support
  import unittest
  import unittest.mock
  import ensurepip
  import ensurepip._uninstall
label_desc: Use image node_id 8 for calling the TestBootstrap obj's underlying member method code with example usage: obj.test_bootstrapping_with_regular_install() without return types