test case for on demand detour

testing/scenarios/data/test_1_server.json

@@ -14,7 +14,12 @@
           "level": 1,
           "alterId": 10
         }
-      ]
+      ],
+      "features": {
+        "detour": {
+          "to": "detour"
+        }
+      }
     }
   },
   "outbound": {
@@ -25,6 +30,7 @@
     {
       "protocol": "vmess",
       "port": "50005-50009",
+      "tag": "detour",
       "settings": {
         "clients": [
           {