test: fix date-picker-pro unit test failed

Author: kagol

packages/devui-vue/devui/date-picker-pro/__tests__/date-picker-pro.spec.tsx

@@ -237,8 +237,8 @@ describe('date-picker-pro test', () => {
  const pickerPanel = document.querySelector(pickerPanelClass);
  const tableMonthItems = pickerPanel?.querySelectorAll(tableMonthClass);
  const date = new Date();
- const todayIndex = 7 - ((date.getDate() - date.getDay()) % 7) + date.getDate();
- const selectIndex = todayIndex > 20 ? todayIndex - 1 : todayIndex + 1;
+ const todayIndex = getDateIndex(date);
+ const selectIndex = getSelectedIndex(todayIndex);
  // 虚拟列表 当前面板呈现月为虚拟列表的第二个tableMonthItem
  const monthContentContainer = tableMonthItems?.[1].querySelector(ns.e('table-month-content'));
  const Items = monthContentContainer?.querySelectorAll('td');