diff -r 854a027c80ff -r b9edc1c1538a server/python/django2/renkanmanager/tests/v1_0/tests_revision.py
--- a/server/python/django2/renkanmanager/tests/v1_0/tests_revision.py	Wed Apr 27 16:36:30 2016 +0200
+++ b/server/python/django2/renkanmanager/tests/v1_0/tests_revision.py	Tue May 03 14:32:28 2016 +0200
@@ -24,21 +24,24 @@
         
         post_url = reverse("v1.0:renkan_list")
         self.test_title = "test_title_1"
-        self.test_content = json.dumps({
+        test_content_dict_init = {
             "id": "",
             "title": "test_title_1",
-            "description": "test_description_1",
-            "created": "",
-            "updated": "",
+            "description": "",
+            "created": "2016-03-11 15:10:10.645193+00:00",
+            "updated": "2016-03-11 15:10:10.645193+00:00",
             "edges": [],
             "nodes": [],
             "users": [],
             "space_id": "",
             "views": []
-        })
+        }
+        self.test_content = json.dumps(test_content_dict_init)
         self.test_data = {"title": self.test_title, "content": self.test_content}
         post_response = self.client.post(post_url, self.test_data, format="json")
         post_response_dict = json.loads(post_response.content.decode())
+        self.test_content_dict = json.loads(post_response_dict.get("content", "{}"))
+        self.post_response_content_dict = json.loads(post_response_dict.get("content", "{}"))
         self.test_renkan_guid = post_response_dict.get("id", "")
         self.test_initial_revision_guid = post_response_dict.get("current_revision_id", "")
     
@@ -59,7 +62,6 @@
         self.assertEqual(get_response_dict.get("revision_created_by", ""), getattr(self.user, User.USERNAME_FIELD))
         self.assertEqual(get_response_dict.get("revision_last_updated_by", ""), getattr(self.user, User.USERNAME_FIELD))
         self.assertEqual(get_response_dict.get("title", ""), self.test_data.get("title", ""))
-        self.assertEqual(get_response_dict.get("content", ""), self.test_data.get("content", ""))
         
         ###################################################
         # GETting with wrong renkan guid
@@ -96,6 +98,7 @@
         put_title = "edited_title"
         put_data = {
             "title" : put_title,
+            "validation_timestamp": self.post_response_content_dict.get("updated", ""),
             "create_new_revision": True
         }
         put_response = self.client.put(put_url, put_data, format="json")
@@ -139,6 +142,7 @@
         put_title = "edited_title"
         put_data = {
             "title" : put_title,
+            "validation_timestamp": self.post_response_content_dict.get("updated", ""),
             "create_new_revision": True
         }
         put_response = self.client.put(put_url, put_data, format="json")