code: def _init_user_stub(self, **stub_kwargs):
          
          # do a little dance to keep the same kwargs for multiple tests in the same class
          # because the user stub will barf if you pass these items into it
          # stub = user_service_stub.UserServiceStub(**stub_kw_args)
          # TypeError: __init__() got an unexpected keyword argument 'USER_IS_ADMIN'
          task_args = stub_kwargs.copy()
          self.testbed.setup_env(overwrite=True,
                                 USER_ID=task_args.pop('USER_ID', 'testuser'),
                                 USER_EMAIL=task_args.pop('USER_EMAIL', 'testuser@example.org'),
                                 USER_IS_ADMIN=task_args.pop('USER_IS_ADMIN', '1'))
          self.testbed.init_user_stub(**task_args)
docs: Initializes the user stub using nosegae config magic