Add virtlet confirmance test run

Change-Id: I673e064cacfee8e7651443aa52b9a6bc8ad28670
diff --git a/tcp_tests/settings_oslo.py b/tcp_tests/settings_oslo.py
index 0b69c58..8129f68 100644
--- a/tcp_tests/settings_oslo.py
+++ b/tcp_tests/settings_oslo.py
@@ -302,6 +302,8 @@
            help="", default=443),
     ct.Cfg("k8s_conformance_run", ct.Boolean(),
            default=False),
+    ct.Cfg("run_extended_virtlet_conformance", ct.Boolean(),
+           default=False),
     ct.Cfg('k8s_conformance_image', ct.String(),
            default='docker-prod-virtual.docker.mirantis.net/mirantis/'
                    'kubernetes/k8s-conformance:v1.7.5-2')