Load OS Ubuntu examples batch 2

evaluation_examples/examples/os/a4d98375-215b-4a4d-aee9-3d4370fccc41.json

@@ -1,17 +1,24 @@
 {
-    "id": "a4d98375-215b-4a4d-aee9-3d4370fccc41",
-    "snapshot": "os",
-    "instruction": "I want to have my computer automatically locked after I leaved. Can you help me?",
-    "source": "https://help.ubuntu.com/lts/ubuntu-help/privacy-screen-lock.html.en",
-    "trajectory": "trajectories/",
-    "related_apps": [
-      "os"
-    ],
-    "evaluator": {
-      "func": "",
-      "result": {
-      },
-      "expected": {
+  "id": "a4d98375-215b-4a4d-aee9-3d4370fccc41",
+  "snapshot": "os",
+  "instruction": "I want to have my computer automatically locked after I leaved. Can you help me?",
+  "source": "https://help.ubuntu.com/lts/ubuntu-help/privacy-screen-lock.html.en",
+  "trajectory": "trajectories/",
+  "related_apps": [
+    "os"
+  ],
+  "evaluator": {
+    "func": "exact_match",
+    "result": {
+      "type": "vm_command_line",
+      "command": "gsettings get org.gnome.desktop.screensaver lock-enabled",
+      "shell": true
+    },
+    "expected": {
+      "type": "rule",
+      "rules": {
+        "expected": "true\n"
       }
     }
-  }
+  }
+}