fix: Unit test

src/tests/setup.ts

@@ -5,6 +5,7 @@ import 'vitest-dom/extend-expect';
 // TODO: Remove once https://github.com/sveltejs/kit/issues/6259 is closed.
 beforeAll(() => {
   vi.mock('$app/environment', () => ({
-    browser: 'window' in globalThis
+    browser: 'window' in globalThis,
+    dev: true
   }));
 });