tests: further harden blob teardown against EBH (googleapis#548)

tseaver · cojenco · commit 2607fdbe9478 · 2021-10-13T15:02:04.000-07:00
Closes googleapis#435.
diff --git a/tests/system/_helpers.py b/tests/system/_helpers.py
@@ -82,6 +82,11 @@ def delete_blob(blob):
         retry(blob.delete)(timeout=120)  # seconds
     except exceptions.NotFound:  # race
         pass
+    except exceptions.Forbidden:  # event-based hold
+        blob.event_based_hold = False
+        blob.patch()
+        retry_no_event_based_hold(blob.reload)()
+        retry(blob.delete)(timeout=120)  # seconds
 
 
 def delete_bucket(bucket):
