Merge "Supports DEFAULT group opts in TempestPrivateConfig"
diff --git a/tempest/config.py b/tempest/config.py
index 2412955..4836c63 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -1083,6 +1083,10 @@
 
     DEFAULT_CONFIG_FILE = "tempest.conf"
 
+    def __getattr__(self, attr):
+        # Handles config options from the default group
+        return getattr(cfg.CONF, attr)
+
     def _set_attrs(self):
         self.auth = cfg.CONF.auth
         self.compute = cfg.CONF.compute