xiaochuan correct his bugs in multiapp examples, you can try it again now

evaluation_examples/examples/multi_apps/7ff48d5b-2df2-49da-b500-a5150ffc7f18.json

@@ -33,6 +33,24 @@
       "chrome", "os", "writer"
     ],
     "evaluator": {
+      "postconfig":[
+        {
+          "type": "activate_window",
+          "parameters": {
+            "window_name": "AllLocations.docx - LibreOffice Writer"
+          }
+        },
+        {
+          "type": "execute",
+          "parameters": {
+            "command": [
+              "python",
+              "-c",
+              "import pyautogui; import time; pyautogui.hotkey(\"ctrl\", \"s\"); time.sleep(0.5); pyautogui.press(\"enter\");"
+            ]
+          }
+        }
+      ],
       "func": "fuzzy_place_math",
       "result": {
         "type": "vm_file",