@mock.patch('certbot._internal.cert_manager.certificates')
def test_certificates(self, mock_cert_manager):
    self._call_no_clientmock(['certificates'])
    self.assertEqual(1, mock_cert_manager.call_count)
@mock.patch('certbot._internal.cert_manager.certificates')
def test_certificates(self, mock_cert_manager):
    self._call_no_clientmock(['certificates'])
    self.assertEqual(1, mock_cert_manager.call_count)