diff --git a/tests/setup/navigate.ts b/tests/setup/navigate.ts
index 2e43b5b..5770635 100644
--- a/tests/setup/navigate.ts
+++ b/tests/setup/navigate.ts
@@ -12,6 +12,9 @@ export async function navigateSPA(page: Page, path: string): Promise<void> {
     window.history.pushState({}, '', p);
     window.dispatchEvent(new PopStateEvent('popstate'));
   }, path);
-  // Give Vue Router time to resolve the route and render
-  await page.waitForTimeout(500);
+  // waitForURL would resolve immediately (pushState already updated the URL
+  // synchronously), so wait for networkidle instead: that fires once Vue Router
+  // has processed the popstate event, mounted the new view, and any route-
+  // triggered data fetches have settled.
+  await page.waitForLoadState('networkidle', { timeout: 10_000 });
 }