Function getSubmenu

src/aria/menu/menu.spec.ts:245–248

()

  describe('Expansion', () => {
    function getSubmenu(): HTMLElement | null {
      const menus = fixture.debugElement.queryAll(By.directive(Menu));
      return menus.length > 1 ? (menus[1].nativeElement as HTMLElement) : null;
    }

    function isSubmenuExpanded(): boolean {
      const berries = getItem('Berries');