diff --git a/ApiCore-Frontend/vitest.setup.ts b/ApiCore-Frontend/vitest.setup.ts
index f149f27..50e18b3 100644
--- a/ApiCore-Frontend/vitest.setup.ts
+++ b/ApiCore-Frontend/vitest.setup.ts
@@ -1 +1,7 @@
 import "@testing-library/jest-dom/vitest";
+import { configure } from "@testing-library/react";
+
+// findBy*/waitFor default to 1 s. The image build runs ~240 spec files on a
+// loaded runner, where a first render can take longer; 5 s keeps real hangs
+// visible (testTimeout is 15 s) without flaky misses.
+configure({ asyncUtilTimeout: 5_000 });