docs: added tests for components in api-reference project (#14428)

* add tests (WIP)

* added test for h2

* finished adding tests

* fixes

* fixes

* fixes

www/apps/api-reference/components/MDXComponents/H2/index.tsx

@@ -1,8 +1,8 @@
 "use client"
 
+import React, { useEffect, useMemo, useRef, useState } from "react"
 import { useScrollController, useSidebar, H2 as UiH2 } from "docs-ui"
 import { getSectionId } from "docs-utils"
-import { useEffect, useMemo, useRef, useState } from "react"
 
 type H2Props = React.HTMLAttributes<HTMLHeadingElement>