--- a/cubicweb/pyramid/test/test_core.py	Fri Mar 17 10:15:16 2017 +0100
+++ b/cubicweb/pyramid/test/test_core.py	Wed Mar 22 14:18:54 2017 +0100
@@ -24,6 +24,7 @@
 
 class CoreTest(PyramidCWTest):
     anonymous_allowed = True
+    settings = {'cubicweb.bwcompat': True}
 
     def includeme(self, config):
         config.add_route('uncommitable', '/uncommitable')