code: def set_case_metric_type(self):
      # The current test types on argo are all case
      self._type = "case"
  
file_path: milvus/tests/benchmark/milvus_benchmark/metrics/models/metric.py
imports: import time
  import datetime
  import json
  import hashlib
  from .env import Env
  from .server import Server
  from .hardware import Hardware
label_desc: Use image node_id 4 for calling the Metric obj's underlying member method code with example usage: obj.set_case_metric_type() without return types