fix: Checkbox Group TS typo (#27231)

* fix: Checkbox Group TS typo

* Revert "fix: Checkbox Group TS typo"

This reverts commit 0898f84ff7.

* Update Group.tsx

* Create type.test.tsx

components/checkbox/Group.tsx

@@ -27,6 +27,7 @@ export interface CheckboxGroupProps extends AbstractCheckboxGroupProps {
   defaultValue?: Array<CheckboxValueType>;
   value?: Array<CheckboxValueType>;
   onChange?: (checkedValue: Array<CheckboxValueType>) => void;
+  children?: React.ReactNode;
 }
 
 export interface CheckboxGroupContext {

components/checkbox/__tests__/type.test.tsx

@@ -0,0 +1,15 @@
+import * as React from 'react';
+import Checkbox from '..';
+import Input from '../../input';
+
+describe('Checkbox.typescript', () => {
+  it('Checkbox.Group', () => {
+    const group = (
+      <Checkbox.Group>
+        <Input />
+      </Checkbox.Group>
+    );
+
+    expect(group).toBeTruthy();
+  });
+});