Function nestedTimer

packages/core/test/fake_async_spec.ts:148–150

(callback: () => any)

    it('should run new macro tasks created by timer callback', fakeAsync(() => {
      function nestedTimer(callback: () => any): void {
        setTimeout(() => setTimeout(() => callback()));
      }
      const callback = jasmine.createSpy('callback');
      nestedTimer(callback);
      expect(callback).not.toHaveBeenCalled();