[Fix]Add chunk size in test cases

Author: qyh111

examples/ucm_config_example.yaml

@@ -24,6 +24,8 @@ enable_event_sync: true
 # Enable UCM metrics so they can be monitored online via Grafana and Prometheus.
 # metrics_config_path: "/workspace/unified-cache-management/examples/metrics/metrics_configs.yaml"
 
+chunk_size: 256
+
 # Sparse attention configuration
 # ucm_sparse_config:
   # GSAOnDevice: {}

test/suites/E2E/test_online_inference.py

@@ -96,6 +96,7 @@ def test_online_accuracy_hbm_ssd_mixed(
                 if ucm_connector_name == "UcmNfsStore"
                 else {}
             ),
+            "chunk_size": 256,
         }
 
         # Build vllm_server_startup_args
@@ -183,6 +184,7 @@ def test_online_accuracy_hbm_ssd_mixed_pp(
                 if ucm_connector_name == "UcmNfsStore"
                 else {}
             ),
+            "chunk_size": 256,
         }
 
         # Build vllm_server_startup_args with pipeline parallel size
@@ -256,6 +258,7 @@ def test_online_accuracy_hbm_ssd_mixed_tp(
                 if ucm_connector_name == "UcmNfsStore"
                 else {}
             ),
+            "chunk_size": 256,
         }
 
         # Build vllm_server_startup_args with tensor parallel size