build(#10336): fix missing type definition

packages/frontend/src/scripts/test-utils.ts

@@ -1,3 +1,5 @@
+/// <reference types="@testing-library/jest-dom"/>
+
 export async function tick(): Promise<void> {
 	// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
 	await new Promise((globalThis.requestIdleCallback ?? setTimeout) as never);