Generalizing services and overrides in linux.system.service
Adding tests for linux.system.service

Prod-Related: PROD-22528

Change-Id: I46ca9a16b35af7f271053c0b6abb2c331f9c4c6b
diff --git a/tests/pillar/system.sls b/tests/pillar/system.sls
index 6a0b16b..3dc183d 100644
--- a/tests/pillar/system.sls
+++ b/tests/pillar/system.sls
@@ -24,6 +24,20 @@
     domain: ci.local
     environment: prd
     purge_repos: true
+    service:
+      apt-daily.timer:
+        status: dead
+      tgt:
+        name: tgt
+        status: running
+        enabled: True
+        override:
+          50:
+            target: tgt.service.d
+            content: |
+              [Service]
+              ExecStart=
+              ExecStart=/usr/sbin/tgtd -f --iscsi portal=127.0.0.1:5555
     directory:
       /tmp/test:
         makedirs: true