diff --git a/vitest.config.ts b/vitest.config.ts
index f2267a613..30f506d44 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -3,6 +3,12 @@ import path from 'node:path';
 import {defineConfig} from 'vitest/config';
 
 export default defineConfig({
+  resolve: {
+    alias: {
+      // Keep shared components' application-root imports resolvable in tests.
+      '@': path.resolve(__dirname, '.'),
+    },
+  },
   test: {
     environment: 'node',
     globals: true,