test: keep react testing event behavior

Author: afc163

tests/AllowClear.spec.tsx

@@ -1,5 +1,4 @@
-import { fireEvent } from '@testing-library/dom';
-import { render } from '@testing-library/react';
+import { fireEvent, render } from '@testing-library/react';
 import React from 'react';
 import Mentions from '../src';
 

tests/FullProcess.spec.tsx

@@ -1,5 +1,4 @@
-import { fireEvent } from '@testing-library/dom';
-import { render } from '@testing-library/react';
+import { fireEvent, render } from '@testing-library/react';
 import { KeyCode } from '@rc-component/util';
 import React from 'react';
 import type { MentionsProps } from '../src';

tests/Mentions.spec.tsx

@@ -1,5 +1,4 @@
-import { fireEvent } from '@testing-library/dom';
-import { render } from '@testing-library/react';
+import { fireEvent, render } from '@testing-library/react';
 import { KeyCode } from '@rc-component/util';
 import React, { createRef } from 'react';
 import { act } from 'react-dom/test-utils';

tests/util.ts

@@ -1,4 +1,4 @@
-import { fireEvent } from '@testing-library/dom';
+import { fireEvent } from '@testing-library/react';
 
 export function simulateInput(
   container: HTMLElement,