Update test to use className

Author: styfle

test/integration/image-component/default/pages/layout-responsive-inside-flex.js

@@ -1,10 +1,11 @@
 import React from 'react'
 import Image from 'next/image'
 import img from '../public/test.jpg'
+import style from '../style.module.css'
 
 const Page = () => {
   return (
-    <div style={{ display: 'flex' }}>
+    <div className={style.displayFlex}>
       <Image id="img" layout="responsive" src={img} />
     </div>
   )

test/integration/image-component/default/style.module.css

@@ -0,0 +1,3 @@
+.displayFlex {
+  display: flex;
+}