code: def test_lock_token(self, r):
      lock = self.get_lock(r, "foo")
      self._test_lock_token(r, lock)
  
imports: import time
  import pytest
  from redis.client import Redis
  from redis.exceptions import LockError, LockNotOwnedError
  from redis.lock import Lock
  from .conftest import _get_client
label_desc: Use image node_id 4 for calling the TestLock obj's underlying member method code with example usage: obj.test_lock_token(r) without return types