Cache: models return input cache type (#30716)

tests/models/recurrent_gemma/test_modeling_recurrent_gemma.py

@@ -15,8 +15,6 @@
 """ Testing suite for the PyTorch RecurrentGemma model. """
 import unittest
 
-from parameterized import parameterized
-
 from transformers import AutoModelForCausalLM, AutoTokenizer, RecurrentGemmaConfig, is_torch_available, set_seed
 from transformers.testing_utils import (
     require_bitsandbytes,
@@ -330,11 +328,6 @@ class RecurrentGemmaModelTest(ModelTesterMixin, GenerationTesterMixin, PipelineT
             config_and_inputs[0].position_embedding_type = type
             self.model_tester.create_and_check_model(*config_and_inputs)
 
-    @unittest.skip("Recurrent gemma does not use legacy cache")
-    @parameterized.expand([(1, False), (1, True), (4, False)])
-    def test_new_cache_format(self, num_beams, do_sample):
-        pass
-
     def test_save_load_fast_init_from_base(self):
         pass