test: add example fixture with @nuxtjs/i18n (#633)

examples/i18n/app.vue

@@ -0,0 +1,5 @@
+<template>
+  <div>
+    Hi from @nuxtjs/i18n: {{ (('hello')) }}
+  </div>
+</template>

examples/i18n/nuxt.config.ts

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+// https://nuxt.com/docs/api/configuration/nuxt-config
+export default defineNuxtConfig({
+  devtools: { enabled: true },
+  modules: ['@nuxtjs/i18n']
+})

examples/i18n/package.json

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+{
+  "name": "nuxt-app",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "build": "nuxt build",
+    "dev": "nuxt dev",
+    "generate": "nuxt generate",
+    "preview": "nuxt preview",
+    "test": "vitest run",
+    "postinstall": "nuxt prepare"
+  },
+  "devDependencies": {
+    "@nuxt/devtools": "latest",
+    "@nuxt/test-utils": "latest",
+    "@nuxtjs/i18n": "8.0.0-rc.7",
+    "nuxt": "^3.8.2",
+    "vitest": "1.0.1",
+    "vue": "^3.3.10",
+    "vue-router": "^4.2.5"
+  }
+}

examples/i18n/test/index.spec.ts

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+import { describe, expect, it } from 'vitest'
+
+import { mountSuspended } from '@nuxt/test-utils/runtime'
+import App from '~/app.vue'
+
+describe('Mounting app with `@nuxtjs/i18n`', () => {
+  it('can mount some component', async () => {
+    const component = await mountSuspended(App)
+    expect(component.vm).toBeTruthy()
+    expect(component.text()).toMatchInlineSnapshot(
+      `"Hi from @nuxtjs/i18n: hello"`
+    )
+  })
+})

examples/i18n/tsconfig.json

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+{
+  // https://nuxt.com/docs/guide/concepts/typescript
+  "extends": "./.nuxt/tsconfig.json"
+}

examples/i18n/vitest.config.ts

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+import { defineVitestConfig } from '@nuxt/test-utils/config'
+
+export default defineVitestConfig({
+  test: {
+    environment: 'nuxt',
+  },
+})