Update RegExp test and remove extra script (#11006)

Co-authored-by: Joe Haddad <joe.haddad@zeit.co>

.eslintignore

@@ -3,5 +3,4 @@ node_modules
 **/_next/**
 **/dist/**
 examples/with-ioc/**
-examples/with-kea/**
-test/integration/production/public/**/*
+examples/with-kea/**

.prettierignore

@@ -1,5 +1,4 @@
 node_modules
 **/.next/**
 **/_next/**
-**/dist/**
-test/integration/production/public/**/*
+**/dist/**

.prettierignore_staged

@@ -1,4 +1,3 @@
 **/.next/**
 **/_next/**
-**/dist/**
-test/integration/production/public/**/*
+**/dist/**

test/integration/production/pages/regexp-polyfill.js

@@ -1,12 +1,23 @@
-export default () => {
+import * as React from 'react'
+
+const Home = () => {
   if (typeof window !== 'undefined') {
     window.didRender = true
   }
 
+  React.useEffect(() => {
+    // If this script is loaded before the polyfills it will
+    // still fail
+    const el = document.createElement('script')
+    el.src = '/regexp-test.js'
+    document.querySelector('body').appendChild(el)
+  }, [])
+
   return (
     <>
       <p>hi</p>
-      <script src="/regexp-test.js" />
     </>
   )
 }
+
+export default Home

test/integration/production/test/index.test.js

@@ -64,6 +64,12 @@ describe('Production Usage', () => {
       it('should polyfill RegExp successfully', async () => {
         const browser = await webdriver(appPort, '/regexp-polyfill')
         expect(await browser.eval('window.didRender')).toBe(true)
+        // wait a second for the script to be loaded
+        await waitFor(1000)
+
+        expect(await browser.eval('window.isSticky')).toBe(true)
+        expect(await browser.eval('window.isMatch1')).toBe(true)
+        expect(await browser.eval('window.isMatch2')).toBe(false)
       })
     }