Add extra formula for mcp-virtual-lab test

Change-Id: Idf05df6456e78889eaf55e738f34a1c08389de89
diff --git a/jenkins/client/job/salt-models/tests.yml b/jenkins/client/job/salt-models/tests.yml
index 156a525..4bb1d0a 100644
--- a/jenkins/client/job/salt-models/tests.yml
+++ b/jenkins/client/job/salt-models/tests.yml
@@ -16,7 +16,7 @@
             - name: mcp-baremetal-lab
               extra_formulas: ""
             - name: mcp-virtual-lab
-              extra_formulas: "prometheus"
+              extra_formulas: "prometheus telegraf"
             - name: mk-ci
               extra_formulas: ""
             - name: qa