Make tests easier to run locally

Author: eps1lon

test/e2e/app-dir/router-disable-smooth-scroll/fixtures/optimized-no-data/next.config.js

@@ -0,0 +1,10 @@
+/**
+ * @type {import('next').NextConfig}
+ */
+const config = {
+  experimental: {
+    optimizeRouterScrolling: true,
+  },
+}
+
+module.exports = config

test/e2e/app-dir/router-disable-smooth-scroll/fixtures/optimized/next.config.js

@@ -0,0 +1,10 @@
+/**
+ * @type {import('next').NextConfig}
+ */
+const config = {
+  experimental: {
+    optimizeRouterScrolling: true,
+  },
+}
+
+module.exports = config

test/e2e/app-dir/router-disable-smooth-scroll/router-disable-smooth-scroll.optimized.test.ts

@@ -4,11 +4,6 @@ import { retry } from 'next-test-utils'
 describe('router smooth scroll optimization (optimized)', () => {
   const { next } = nextTestSetup({
     files: __dirname + '/fixtures/optimized',
-    nextConfig: {
-      experimental: {
-        optimizeRouterScrolling: true,
-      },
-    },
   })
 
   const getTopScroll = async (browser: any) =>
@@ -66,11 +61,6 @@ describe('router smooth scroll optimization (optimized)', () => {
 describe('router smooth scroll optimization (optimized early exit)', () => {
   const { next } = nextTestSetup({
     files: __dirname + '/fixtures/optimized-no-data',
-    nextConfig: {
-      experimental: {
-        optimizeRouterScrolling: true,
-      },
-    },
   })
 
   const getTopScroll = async (browser: any) =>