code: def test_decode(self):
      request = DecodeRequest(tokens=self.encoded_test_prompt)
      result: DecodeRequestResult = self.client.decode(request)
      assert (
          not result.cached
      ), "First time making the decode request. Result should not be cached"
      result: DecodeRequestResult = self.client.decode(request)
      assert result.cached, "Result should be cached"
      assert result.text == self.test_prompt
  
file_path: H2O/h2o_hf/helm/src/helm/proxy/clients/test_ice_tokenizer_client.py
imports: import os
  import tempfile
  from typing import List
  from helm.common.cache import SqliteCacheConfig
  from helm.common.tokenization_request import DecodeRequest, DecodeRequestResult, TokenizationRequest, TokenizationRequestResult
  from .ice_tokenizer_client import ICETokenizerClient
label_desc: Use image node_id 6 for calling the TestICETokenizerClient obj's underlying member method code with example usage: obj.test_decode() without return types