fix: expose new order batch handler choice in orders/configure

tests/web/views/test_orders.py

@@ -42,6 +42,8 @@ class TestOrderView(WebTestCase):
 
     def test_create(self):
         self.pyramid_config.include('sideshow.web.views')
+        self.config.setdefault('wutta.batch.neworder.handler.spec',
+                               'sideshow.batch.neworder:NewOrderBatchHandler')
         model = self.app.model
         enum = self.app.enum
         view = self.make_view()