test: keep react testing event behavior

Author: afc163

tests/simple.spec.js

@@ -1,6 +1,5 @@
-import { createEvent, fireEvent } from '@testing-library/dom';
 import { KeyCode } from '@rc-component/util';
-import { act, render } from '@testing-library/react';
+import { act, createEvent, fireEvent, render } from '@testing-library/react';
 import React from 'react';
 import Rate from '../src';