Fix bug 2036

The unit tests were failing because of a wrong mock

Change-Id: Ie8fd9f6cf926e0aee72c1cd5b1601c073c9928ba
Signed-off-by: David Garcia <david.garcia@canonical.com>
diff --git a/n2vc/tests/unit/test_libjuju.py b/n2vc/tests/unit/test_libjuju.py
index 67cd19f..e7f43ab 100644
--- a/n2vc/tests/unit/test_libjuju.py
+++ b/n2vc/tests/unit/test_libjuju.py
@@ -60,7 +60,7 @@
         self.loop = asyncio.get_event_loop()
         self.db = Mock()
         mock_base64_to_cacert.return_value = cacert
-        Connection._load_vca_connection_data = Mock()
+        # Connection._load_vca_connection_data = Mock()
         vca_connection = Connection(AsyncMock())
         vca_connection._data = ConnectionData(
             **{