Fix failing test with race condition (#32140)

* Fix failing test with race condition

* make fixup

* monotonic_ns instead of randint

* uuid4 instead of monotonic_ns

* Add a finally cleanup step

tests/models/auto/test_processor_auto.py

@@ -20,6 +20,7 @@ import tempfile
 import unittest
 from pathlib import Path
 from shutil import copyfile
+from uuid import uuid4
 
 from huggingface_hub import HfFolder, Repository, create_repo, delete_repo
 from requests.exceptions import HTTPError
@@ -431,9 +432,11 @@ class ProcessorPushToHubTester(unittest.TestCase):
 
         processor = CustomProcessor(feature_extractor, tokenizer)
 
+        random_repo_id = f"{USER}/test-dynamic-processor-{uuid4()}"
+        try:
             with tempfile.TemporaryDirectory() as tmp_dir:
-            create_repo(f"{USER}/test-dynamic-processor", token=self._token)
-            repo = Repository(tmp_dir, clone_from=f"{USER}/test-dynamic-processor", token=self._token)
+                create_repo(random_repo_id, token=self._token)
+                repo = Repository(tmp_dir, clone_from=random_repo_id, token=self._token)
                 processor.save_pretrained(tmp_dir)
 
                 # This has added the proper auto_map field to the feature extractor config
@@ -463,6 +466,8 @@ class ProcessorPushToHubTester(unittest.TestCase):
 
                 repo.push_to_hub()
 
-        new_processor = AutoProcessor.from_pretrained(f"{USER}/test-dynamic-processor", trust_remote_code=True)
+            new_processor = AutoProcessor.from_pretrained(random_repo_id, trust_remote_code=True)
             # Can't make an isinstance check because the new_processor is from the CustomProcessor class of a dynamic module
             self.assertEqual(new_processor.__class__.__name__, "CustomProcessor")
+        finally:
+            delete_repo(repo_id=random_repo_id)