From c731404203a54d363963fc4d13b946698bee7c54 Mon Sep 17 00:00:00 2001
From: Tres Seaver <tseaver@palladion.com>
Date: Fri, 20 Aug 2021 02:43:23 -0400
Subject: [PATCH] tests: add retry for 400 from 'Bucket.update' after removing
 labels

Closes #541
---
 tests/system/test_bucket.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/system/test_bucket.py b/tests/system/test_bucket.py
index 2fdd64fe4..991a6ab77 100644
--- a/tests/system/test_bucket.py
+++ b/tests/system/test_bucket.py
@@ -111,7 +111,9 @@ def test_bucket_update_labels(storage_client, buckets_to_delete):
     assert bucket.labels == new_labels
 
     bucket.labels = {}
-    bucket.update()
+    # See https://github.com/googleapis/python-storage/issues/541
+    retry_400 = _helpers.RetryErrors(exceptions.BadRequest)
+    retry_400(bucket.update)()
     assert bucket.labels == {}