chore: use `@nuxt/test-utils` to import test utils (#3261)

test/examples/hello-world.test.ts

@@ -1,14 +1,12 @@
 import { fileURLToPath } from 'url'
 import { resolve } from 'path'
 import { describe, expect, it } from 'vitest'
-// TODO: Should import from @nuxt/test-utils
-import { setup, $fetch } from '../../packages/test-utils/src'
+import { setup, $fetch } from '@nuxt/test-utils'
 
 const examplesDir = fileURLToPath(new URL('../../examples', import.meta.url))
 
 await setup({
   rootDir: resolve(examplesDir, 'hello-world'),
-  runner: 'vitest',
   server: true
 })
 

vitest.config.ts

@@ -0,0 +1,8 @@
+import { resolve } from 'path'
+import { defineConfig } from 'vite'
+
+export default defineConfig({
+  alias: {
+    '@nuxt/test-utils': resolve('./packages/test-utils/src/index.ts')
+  }
+})