chore(lint): fix eslint warning

Author: joshblack

packages/react/src/drafts/UnderlinePanels/UnderlinePanels.test.tsx

@@ -3,7 +3,7 @@
 import React from 'react'
 import {render, screen} from '@testing-library/react'
 import UnderlinePanels from './UnderlinePanels'
-import {behavesAsComponent, checkExports} from '../../utils/testing'
+import {behavesAsComponent} from '../../utils/testing'
 import TabContainerElement from '@github/tab-container-element'
 
 TabContainerElement.prototype.selectTab = jest.fn()