Add 'k8s chain update' test

Change-Id: Ica0cdf83e3a3b3a74e1eef8557d7064e97db1967
Related-PROD: PROD-17808
diff --git a/tcp_tests/settings_oslo.py b/tcp_tests/settings_oslo.py
index 9082301..7abbe2a 100644
--- a/tcp_tests/settings_oslo.py
+++ b/tcp_tests/settings_oslo.py
@@ -66,6 +66,9 @@
 _default_k8s_steps = pkg_resources.resource_filename(
     __name__, 'templates/{0}/k8s.yaml'.format(
         settings.LAB_CONFIG_NAME))
+_default_k8s_update_steps = pkg_resources.resource_filename(
+    __name__, 'templates/{0}/k8s-update.yaml'.format(
+        settings.LAB_CONFIG_NAME))
 _default_net_mgm = os.environ.get("NET_MGMT", "admin-pool01")
 
 
@@ -285,6 +288,9 @@
     ct.Cfg('k8s_steps_path', ct.String(),
            help="Path to YAML with steps to deploy Kubernetes",
            default=_default_k8s_steps),
+    ct.Cfg('k8s_update_steps_path', ct.String(),
+           help="Path to YAML with steps to update Kubernetes",
+           default=_default_k8s_update_steps),
     ct.Cfg('kubernetes_admin_user', ct.String(), default='admin'),
     ct.Cfg('kubernetes_admin_password', ct.String(),
            default='sbPfel23ZigJF3Bm'),
@@ -346,7 +352,9 @@
            default=False),
     ct.Cfg('k8s_conformance_image', ct.String(),
            default='docker-prod-virtual.docker.mirantis.net/mirantis/'
-                   'kubernetes/k8s-conformance:v1.8.13-11')
+                   'kubernetes/k8s-conformance:v1.8.13-11'),
+    ct.Cfg('k8s_update_chain', ct.String(),
+           default='v1.9.8-4 v1.10.3-3')
 ]
 
 _group_opts = [