Use random gcs bucket name (#33151) (#33158)

* Use random gcs bucket name

* Linter fixes

---------

Co-authored-by: claudevdm <33973061+claudevdm@users.noreply.github.com>
Co-authored-by: Claude <cvandermerwe@google.com>

sdks/python/apache_beam/ml/transforms/base_test.py

@@ -17,8 +17,10 @@
 # pytype: skip-file
 
 import os
+import secrets
 import shutil
 import tempfile
+import time
 import typing
 import unittest
 from collections.abc import Sequence
@@ -699,7 +701,7 @@ def test_mltransform_to_ptransform_wrapper(self):
 
   @unittest.skipIf(apiclient is None, 'apache_beam[gcp] is not installed.')
   def test_with_gcs_location_with_none_options(self):
-    path = 'gs://fake_path'
+    path = f"gs://fake_path_{secrets.token_hex(3)}_{int(time.time())}"
     with self.assertRaises(RuntimeError):
       self.attribute_manager.save_attributes(
           ptransform_list=[], artifact_location=path, options=None)