PNSPS-frontend-MaterialUI/src/routes/_TestRoutes.js

import { lazy } from 'react';
import Loadable from 'components/Loadable';
const MainLayout = Loadable(lazy(() => import('layout/MainLayout')));

// render - dashboard
const TestMail = Loadable(lazy(() => import('pages/_Test/Mail')));
// ==============================|| MAIN ROUTING ||============================== //

const TestRoutes = {
  path: '/',
  element: <MainLayout />,
  children: [
      {
        path: 'test/sendMail',
        element: <TestMail/>
      },
  ]
};


export default TestRoutes;