free_subscription: py3

bt5/erp5_free_subscription/TestTemplateItem/portal_components/test.erp5.testFreeSubscription.py

@@ -311,9 +311,11 @@ class TestFreeSubscription(ERP5TypeTestCase):
     from six.moves.urllib.request import urlopen
     link = sequence['unsubscription_link']
     self.logout()
-    data = urlopen(link)
-    self.assertNotIn("Site Error", data)
-    self.assertNotIn("You do not have enough permissions to access this page", data.read())
+    resp = urlopen(link)
+    data = resp.read()
+    self.assertEqual(resp.status, 200, (resp.status, data))
+    self.assertNotIn(b"Site Error", data)
+    self.assertNotIn(b"You do not have enough permissions to access this page", data)
     self.login()
 
   def stepCheckFreeSubscriptionRequestCreated(self, sequence=None, sequence_list=None,