test: add initial component tests (#923)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

vitest.config.ts

@@ -1,8 +1,16 @@
 /// <reference types="vitest" />
-import { defineConfig } from 'vite'
+import { fileURLToPath } from 'node:url'
+import { defineVitestConfig } from 'nuxt-vitest/config'
 
-export default defineConfig({
+export default defineVitestConfig({
   test: {
-    testTimeout: 20000
+    testTimeout: 20000,
+    globals: true,
+    environment: 'nuxt',
+    environmentOptions: {
+      nuxt: {
+        rootDir: fileURLToPath(new URL('test/nuxt/', import.meta.url))
+      }
+    }
   }
 })