Harden systest teardown further. (googleapis#5900)

tseaver · web-flow · commit bcbc300b79f2 · 2018-09-07T13:06:51.000-04:00
diff --git a/storage/tests/system.py b/storage/tests/system.py
@@ -82,7 +82,8 @@ def setUpModule():
 
 
 def tearDownModule():
-    retry = RetryErrors(exceptions.Conflict, exceptions.TooManyRequests)
+    errors = (exceptions.Conflict, exceptions.TooManyRequests)
+    retry = RetryErrors(errors, max_tries=6)
     retry(Config.TEST_BUCKET.delete)(force=True)
 
 
