Manage /etc/{at,cron}.{allow,deny} files

Related-Prod: PROD-22546
Related-Prod: PROD-22664

Change-Id: I66a35ef3d2436541ef70f02e2631fa8d4d86e5e9
diff --git a/tests/pillar/system.sls b/tests/pillar/system.sls
index 555a0cd..0b792b6 100644
--- a/tests/pillar/system.sls
+++ b/tests/pillar/system.sls
@@ -5,6 +5,20 @@
     fqdn: linux.ci.local
   system:
     enabled: true
+    at:
+      enabled: true
+      user:
+        root:
+          enabled: true
+        testuser:
+          enabled: true
+    cron:
+      enabled: true
+      user:
+        root:
+          enabled: true
+        testuser:
+          enabled: true
     cluster: default
     name: linux
     domain: ci.local