code: def test_cache(self):
      cache_filename = f"cache_{uuid.uuid4().hex}"
      cache = Cache(filename=cache_filename)
      cache.set("key", "value")
      assert cache.get("key") == "value"
  
      cache.delete("key")
      print(cache.get("key"))
      assert cache.get("key") is None
  
      cache.destroy()
  
imports: import uuid
  from pandasai.helpers.cache import Cache
label_desc: Use image node_id 1 for calling the TestCache obj's underlying member method code with example usage: obj.test_cache() without return types