Update test_cache_utils.py

Author: Cyrilvallez

tests/utils/test_cache_utils.py

@@ -1296,7 +1296,7 @@ def test_hybrid_chunked_cache(self):
         config = copy.deepcopy(self.config)
         config.num_hidden_layers = 2
         config.layer_types = ["full_attention", "chunked_attention"]
-        config.sliding_window = 2
+        config.attention_chunk_size = 2
         max_cache_len = 4
         chunked_cache = HybridChunkedCache(config=config, max_cache_len=max_cache_len)