feature/IO-2885-IntelliPay-App-Postback

- Refactor / Add Tests

vitest.config.js

@@ -1,10 +1,13 @@
-import { defineConfig } from "vitest/config";
+const { defineConfig } = require("vitest/config");
 
-export default defineConfig({
+module.exports = defineConfig({
   test: {
     environment: "node",
     globals: true,
-    include: ["./server/tests/**/*.{test,spec}.[jt]s"], // Only search /tests in root
+    include: [
+      "./server/tests/**/*.{test,spec}.[jt]s", // Existing pattern for /server/tests
+      "./server/**/*.test.js" // New pattern for test.js in server and subfolders
+    ],
     exclude: ["**/client/**", "**/node_modules/**", "**/dist/**"] // Explicitly exclude /client
   }
 });