fix cw 3.12 deprecation warning in test

--HG--
branch : stable

test/unittest_notifications.py

@@ -2,20 +2,19 @@ from datetime import date
 
 from logilab.common.testlib import unittest_main
 
-from cubicweb.devtools.testlib import MAILBOX
-
-from cubicweb.devtools.testlib import CubicWebTC
+from cubicweb.devtools.testlib import MAILBOX, CubicWebTC
 from cubicweb.devtools.fake import FakeConfig
 from cubicweb.web.request import CubicWebRequestBase
 
 class ForgotTC(CubicWebTC):
 
     def setup_database(self):
-        for index in range(4):
-            user = self.create_user(u'test_user%s' % index)
-            self.request().create_entity('EmailAddress',
-                                     address=u'test_user%s@logilab.fr' % index,
-                                     reverse_use_email=user)
+        req = self.request()
+        for index in xrange(4):
+            user = self.create_user(req, u'test_user%s' % index)
+            req.create_entity('EmailAddress', 
+                              address=u'test_user%s@logilab.fr' % index,
+                              reverse_use_email=user)
 
     def test_reset_password(self):
         MAILBOX[:] = []