Function up

src/aria/tree/tree.spec.ts:33–33

(modifierKeys?: ModifierKeys)

  };

  const up = async (modifierKeys?: ModifierKeys) => await keydown('ArrowUp', modifierKeys);
  const down = async (modifierKeys?: ModifierKeys) => await keydown('ArrowDown', modifierKeys);
  const left = async (modifierKeys?: ModifierKeys) => await keydown('ArrowLeft', modifierKeys);
  const right = async (modifierKeys?: ModifierKeys) => await keydown('ArrowRight', modifierKeys);