code: def test_use_cache_forward(self):
      for model_class_name in self.all_model_classes:
          (
              config,
              input_ids,
              attention_mask,
          ) = self.model_tester.prepare_config_and_inputs()
          self.model_tester.check_use_cache_forward(
              model_class_name, config, input_ids, attention_mask
          )
  
imports: import tempfile
  import unittest
  import numpy
  import transformers
  from transformers import GPT2Tokenizer, GPTJConfig, is_flax_available, is_torch_available
  from transformers.testing_utils import is_pt_flax_cross_test, require_flax, tooslow
  from ...generation.test_generation_flax_utils import FlaxGenerationTesterMixin
  from ...test_modeling_flax_common import FlaxModelTesterMixin, ids_tensor, random_attention_mask
label_desc: Use image node_id 2 for calling the FlaxGPTJModelTest obj's underlying member method code with example usage: obj.test_use_cache_forward() without return types