Merge pull request certbot#1203 from kuba/offline-unittests2

Offline unittest v2.

Author: bmw

acme/acme/challenges_test.py

@@ -359,9 +359,9 @@ def test_simple_verify(self, mock_verify_cert):
             cert=mock.sentinel.cert))
         mock_verify_cert.assert_called_once_with(self.msg, mock.sentinel.cert)
 
-    def test_simple_verify_false_on_probe_error(self):
-        chall = mock.Mock()
-        chall.probe_cert.side_effect = errors.Error
+    @mock.patch('acme.challenges.DVSNIResponse.probe_cert')
+    def test_simple_verify_false_on_probe_error(self, mock_probe_cert):
+        mock_probe_cert.side_effect = errors.Error
         self.assertFalse(self.msg.simple_verify(
             self.chall, self.domain, self.key.public_key()))