[CORD-1947] adding veestat/vnaas to docker_image_whitelists

Change-Id: I1d4975b8705174ad71ecedcb2861a80ccb81d05b
diff --git a/scenarios/mock/config.yml b/scenarios/mock/config.yml
index 9d8e0d6..f248911 100644
--- a/scenarios/mock/config.yml
+++ b/scenarios/mock/config.yml
@@ -70,6 +70,7 @@
   - "xosproject/chameleon"
   - "xosproject/gui-extension-rcord"
   - "xosproject/gui-extension-sample"
+  - "xosproject/gui-extension-veestat"
   - "xosproject/gui-extension-vnaas"
   - "xosproject/gui-extension-vtr"
   - "gliderlabs/consul-server"