修复调试支付发货

nodes/game/interface/test.lua

@@ -103,7 +103,7 @@ function root:test_pay_goods(role, msg)
 
     -- 发送物品
     local shopInterface = require "interface.shop"
-    return shopInterface.on_pay(role, pack)
+    return shopInterface:on_pay(role, pack)
 end
 
 return root