manage group user membership
diff --git a/tests/pillar/system.sls b/tests/pillar/system.sls
index bdb70be..7f7b087 100644
--- a/tests/pillar/system.sls
+++ b/tests/pillar/system.sls
@@ -67,8 +67,13 @@
         name: testgroup
         gid: 9999
         system: true
+        addusers:
+          - salt_user1
+          - salt_user2
       db-ops:
         enabled: true
+        delusers:
+          - salt_user1
       salt-ops:
         enabled: true
         name: salt-ops