code: def sample_run():
      exp = {
          "name": "test_exp",
          "sources": [],
          "doc": "",
          "base_dir": "/tmp",
      }
      host = {
          "hostname": "test_host",
          "cpu_count": 1,
          "python_version": "3.4",
      }
      config = {"config": "True", "foo": "bar", "answer": 42}
      command = "run"
      meta_info = {"comment": "test run"}
      return {
          "_id": None,
          "ex_info": exp,
          "command": command,
          "host_info": host,
          "start_time": T1,
          "config": config,
          "meta_info": meta_info,
      }
  
imports: import pytest
  import datetime
  import os
  import json
  from sacred.observers import GoogleCloudStorageObserver
label_desc: Use image node_id 3 for calling a global function with example usage: sample_run() and returns: dict