Add auditd in test-salt-formula jobs

Change-Id: I16c5bc2691336adbcdcecf8a843b580a10ec5d25
diff --git a/jenkins/client/job/salt-formulas/tests.yml b/jenkins/client/job/salt-formulas/tests.yml
index 1c9f4fb..7d659e8 100644
--- a/jenkins/client/job/salt-formulas/tests.yml
+++ b/jenkins/client/job/salt-formulas/tests.yml
@@ -10,6 +10,7 @@
             - name: aptcacher
             - name: aptly
             - name: artifactory
+            - name: auditd
             - name: avinetworks
             - name: backupninja
             - name: barbican