Check added to same session

Author: gbastien

src/imio/esign/tests/test_utils.py

@@ -463,13 +463,16 @@ def test_add_files_already_exist_is_updated(self):
         annex = api.content.get(UID=annex_uid)
 
         sid, session = add_files_to_session(signers, (annex_uid,))
+        self.assertEqual(sid, 0)
         self.assertEqual(len(session["files"]), 1)
         self.assertEqual(session["files"][0]["filename"], "annex0.pdf")
         self.assertEqual(session["files"][0]["title"], "Annex 0")
         # edit annex and add again, still one annex in session and data are updated
         annex.file.filename = u"new_filename.pdf"
         annex.setTitle('New title')
         sid, session = add_files_to_session(signers, (annex_uid,))
+        # same session_id
+        self.assertEqual(sid, 0)
         self.assertEqual(len(session["files"]), 1)
         self.assertEqual(session["files"][0]["filename"], "new_filename.pdf")
         self.assertEqual(session["files"][0]["title"], "New title")