buildbucket: put_batch endpoint

appengine_module/testing_utils/testing.py

Index: appengine_module/testing_utils/testing.py
diff --git a/appengine_module/testing_utils/testing.py b/appengine_module/testing_utils/testing.py
index a8473d6b840a9095a68124e7888cbbbe6314a538..e599f6a9f1dca60835730e103859c6f6708ac4d8 100644
--- a/appengine_module/testing_utils/testing.py
+++ b/appengine_module/testing_utils/testing.py
@@ -28,6 +28,8 @@ class AppengineTestCase(auto_stub.TestCase):  # pragma: no cover
 
   # To be set in tests that wants to use test_app
   app_module = None
+  # Datastore consistency policy.
+  consistency_policy = None
 
   def setUp(self):
     super(AppengineTestCase, self).setUp()
@@ -40,7 +42,8 @@ class AppengineTestCase(auto_stub.TestCase):  # pragma: no cover
     self.testbed.init_blobstore_stub()
     self.testbed.init_capability_stub()
     self.testbed.init_channel_stub()
-    self.testbed.init_datastore_v3_stub()
+    self.testbed.init_datastore_v3_stub(
+        consistency_policy=self.consistency_policy)
     self.testbed.init_files_stub()
     self.testbed.init_logservice_stub()
     self.testbed.init_mail_stub()