code: def test_does_not_raise_error_on_valid_bucket_name(valid_buckets):
      for bucket_name in valid_buckets:
          _ = GoogleCloudStorageObserver(
              bucket=bucket_name, basedir=BASEDIR
          )
  
imports: import pytest
  import datetime
  import os
  import json
  from sacred.observers import GoogleCloudStorageObserver
label_desc: Use image node_id 20 for calling a global function with example usage: test_does_not_raise_error_on_valid_bucket_name(valid_buckets) without return types