Index: tests/test_persistance_integrity.py
===================================================================
--- tests/test_persistance_integrity.py	(revision e19883279f34e7305eb5973e6354a1b30f9176ec)
+++ tests/test_persistance_integrity.py	(revision 52ccac6edb8c3ce7f8efacf668054f13855c8011)
@@ -43,5 +43,5 @@
 
     # Metadata should be preserved exactly
-    assert approved_question.signature == loaded.signature
+    assert approved_question.fingerprint == loaded.fingerprint
     assert approved_question.flexo_id == loaded.flexo_id
     assert loaded.state == approved_question.state