Function act

packages/forms/signals/test/web/interop.spec.ts:1445–1451

(fn: () => T)

});

function act<T>(fn: () => T): T {
  try {
    return fn();
  } finally {
    TestBed.tick();
  }
}

async function actAsync<T>(fn: () => T): Promise<T> {
  try {