code: def test_1_redis_storage(self):
      store = RedisStorageHandler(
          {"test_1_redis_storage": "value"},
          config={"host": "localhost", "port": "6379"},
      )
      store.set("test_key", 42)
      self.assertTrue(store.get("test_key") == 42)
      self.assertRaises(Exception, store.get("test_key2"))
  
imports: import unittest
  from mindsdb.utilities.config import Config
  from mindsdb.integrations.libs.storage_handler import RedisStorageHandler, SqliteStorageHandler
label_desc: Use image node_id 1 for calling the StorageHandlerTest obj's underlying member method code with example usage: obj.test_1_redis_storage() without return types