How to test Nuxt 3 Nitro Server endpoints and middlewares (avoiding defineEventHandler not defined)

 FAIL  ../tests/unit/server/middleware/visibilityGuard.global.spec.ts [ ../tests/unit/server/middleware/visibilityGuard.global.spec.ts ]
ReferenceError: defineEventHandler is not defined
 ❯ ../server/middleware/visibilityGuard.global.ts:5:1
      3| import { sendRedirect } from 'h3';
      4|
      5| export default defineEventHandler((event: H3Event<EventHandlerRequest>) => {
       | ^
      6|     const runtimeConfig: NitroRuntimeConfig = useRuntimeConfig(event);
      7|     const appState: string = runtimeConfig.APP_STATE || 'maintenance';
 ❯ ../tests/unit/server/middleware/visibilityGuard.global.spec.ts:6:1