refactor(ckeditor5-math): wrong expect import

packages/ckeditor5-math/tests/automath.ts

@@ -1,8 +1,7 @@
 import Mathematics from '../src/math.js';
 import AutoMath from '../src/automath.js';
 import { ClassicEditor, Clipboard, Paragraph, Undo, Typing, _getModelData as getData, _setModelData as setData } from 'ckeditor5';
-import { expect } from 'chai';
+import { describe, beforeEach, it, afterEach, vi, expect } from "vitest";
-import { describe, beforeEach, it, afterEach, vi, VitestUtils } from "vitest";
 
 describe( 'AutoMath - integration', () => {
 	let editorElement: HTMLDivElement, editor: ClassicEditor;

packages/ckeditor5-math/tests/index.ts

@@ -1,8 +1,7 @@
 import { Math as MathDll, AutoformatMath as AutoformatMathDll } from '../src';
 import Math from '../src/math';
 import AutoformatMath from '../src/autoformatmath';
-import { expect } from 'chai';
+import { describe, it, expect } from 'vitest';
-import { describe, it } from 'vitest';
 
 describe( 'CKEditor5 Math DLL', () => {
 	it( 'exports Math', () => {

packages/ckeditor5-math/tests/lazyload.ts

@@ -1,7 +1,6 @@
 import { ClassicEditor, type EditorConfig } from 'ckeditor5';
 import MathUI from '../src/mathui';
-import { expect } from 'chai';
+import { describe, beforeEach, it, afterEach, expect } from "vitest";
-import { describe, beforeEach, it, afterEach } from "vitest";
 
 describe( 'Lazy load', () => {
 	let editorElement: HTMLDivElement;

packages/ckeditor5-math/tests/math.ts

@@ -3,8 +3,7 @@ import Mathematics from '../src/math.js';
 import MathEditing from '../src/mathediting.js';
 import MathUI from '../src/mathui.js';
 import AutoMath from '../src/automath.js';
-import { expect } from 'chai';
+import { describe, beforeEach, it, afterEach, expect } from "vitest";
-import { describe, beforeEach, it, afterEach } from "vitest";
 
 describe( 'Math', () => {
 	let editorElement: HTMLDivElement, editor: ClassicEditor;