Function isTabFocused

src/aria/tabs/tabs.spec.ts:118–124

(index: number)

  }

  function isTabFocused(index: number): boolean {
    if (testComponent.focusMode() === 'roving') {
      return tabElements[index]?.getAttribute('tabindex') === '0';
    } else {
      return tabListElement?.getAttribute('aria-activedescendant') === tabElements[index]?.id;
    }
  }

  afterEach(async () => {
    if (fixture.nativeElement) {