diff --git a/web/frontend/src/__tests__/vitest-setup.ts b/web/frontend/src/__tests__/vitest-setup.ts
new file mode 100644
index 0000000..9521059
--- /dev/null
+++ b/web/frontend/src/__tests__/vitest-setup.ts
@@ -0,0 +1,4 @@
+import { config } from '@vue/test-utils'
+import { i18n } from '../i18n'
+
+config.global.plugins = [i18n]
diff --git a/web/frontend/vite.config.ts b/web/frontend/vite.config.ts
index abcdfd5..186393b 100644
--- a/web/frontend/vite.config.ts
+++ b/web/frontend/vite.config.ts
@@ -12,5 +12,6 @@ export default defineConfig({
   test: {
     environment: 'jsdom',
     globals: true,
+    setupFiles: ['./src/__tests__/vitest-setup.ts'],
   },
 })