--- a/test.py	Tue Jul 19 18:16:23 2016 +0800
+++ b/test.py	Wed Jul 20 19:01:34 2016 +0800
@@ -51,6 +51,7 @@
         data = json.loads(response.data)
 
         self.assertEqual(data['_id'], resource_id)
+        self.assertIn('_rev', data)
 
         url = self.list_url % self.workspace
         response = self.c.get(url)