code: def s3(self):
      name = self.make_name()
      self.s3_bucket_names.append(name)
      return name
  
file_path: keepsake/end-to-end-test/conftest.py
imports: import socket
  import time
  import string
  import random
  import pytest
  import boto3
  from botocore.exceptions import ClientError, NoCredentialsError
  from google.cloud import storage
label_desc: Use image node_id 3 for calling the TempBucketFactory obj's underlying member method code with example usage: obj.s3() and returns: name