Function delayPromise

packages/router/test/integration/guards.spec.ts:937–942

(delay: number)

        });

        function delayPromise(delay: number): Promise<boolean> {
          let resolve: (val: boolean) => void;
          const promise = new Promise<boolean>((res) => (resolve = res));
          setTimeout(() => resolve(true), delay);
          return promise;
        }

        it('works', async () => {
          const router = TestBed.inject(Router);