Enable setting home dir permissions

Fixes: PROD-21350

Change-Id: If5a4473296e4d2cb6a80cb7397ac38a66011f39d
diff --git a/tests/pillar/system.sls b/tests/pillar/system.sls
index 8aeb9d7..54176a1 100644
--- a/tests/pillar/system.sls
+++ b/tests/pillar/system.sls
@@ -79,6 +79,7 @@
         uid: 9991
         full_name: Salt User1
         home: /home/saltuser1
+        home_dir_mode: 755
       salt_user2:
         enabled: true
         name: saltuser2