Fast fix get_single_pillar while in deployment

Change-Id: I549fc9be44996dcbe9fa2775980034fe26e3f369
diff --git a/tcp_tests/tests/system/test_mcp_update.py b/tcp_tests/tests/system/test_mcp_update.py
index 216f459..01fa7bb 100644
--- a/tcp_tests/tests/system/test_mcp_update.py
+++ b/tcp_tests/tests/system/test_mcp_update.py
@@ -32,6 +32,8 @@
     underlay = underlay_ssh_manager.UnderlaySSHManager(config)
     saltmanager = salt_manager.SaltManager(config, underlay)
     targets = list()
+    telemetry_exists = False
+    barbican_exists = False
     try:
         targets += saltmanager.run_state(
             "I@keystone:server", 'test.ping')[0]['return'][0].keys()