tests: harden 'test_bucket_w_retention_period' vs EC (googleapis#552)

tseaver · web-flow · commit a339643f9218 · 2021-08-24T01:25:58.000-04:00
Closes googleapis#551.
diff --git a/tests/system/test_bucket.py b/tests/system/test_bucket.py
@@ -567,7 +567,7 @@ def test_bucket_w_retention_period(
     assert not bucket.default_event_based_hold
     assert not bucket.retention_policy_locked
 
-    other.reload()
+    _helpers.retry_no_event_based_hold(other.reload)()
 
     assert not other.event_based_hold
     assert not other.temporary_hold
