code: def test_make_redis_key(self):
      result = make_redis_key(
          file_path="gs://test_ll/dir/fname.pkl", unique_id="12345"
      )
      self.assertEqual(result, "fname_12345")
  
imports: import random
  import time
  import unittest
  from unittest.mock import MagicMock, patch
  import fakeredis
  from gokart.redis_lock import RedisClient, RedisParams, make_redis_key, make_redis_params, wrap_with_dump_lock, wrap_with_load_lock, wrap_with_remove_lock, wrap_with_run_lock
label_desc: Use image node_id 1 for calling the TestMakeRedisKey obj's underlying member method code with example usage: obj.test_make_redis_key() without return types