code: def set_run_id(self):
      # Get current time as run id, which uniquely identifies this test
      self.run_id = int(time.time())
  
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 2 for calling the Metric obj's underlying member method code with example usage: obj.set_run_id() without return types