Function delay

src/aria/private/menu/menu.spec.ts:201–203

(amount: number)

    describe('Typeahead', () => {
      function delay(amount: number) {
        return new Promise(resolve => setTimeout(resolve, amount));
      }

      it('should move the active item to the next item that starts with the typed character', async () => {
        const menu = getMenuPattern(undefined, ['Apple', 'Banana', 'Cherry']);