Function isFocused

src/aria/tree/tree.spec.ts:1384–1384

(value: string)

  describe('keyboard navigation', () => {
    for (const focusMode of ['roving', 'activedescendant'] as const) {
      const isFocused = (value: string) => getFocusedTreeItemValue() === value;

      describe(`focusMode="${focusMode}"`, () => {
        describe('LTR', () => {