Browser test in enja only and cache redirects cache en jajson file (g…

…ithub#23502)

* cache the .next/cache directory for faster builds

* browser test in en,ja only and cache .redirects-cache_en_ja.json file

* correction

.github/workflows/browser-test.yml

@@ -55,5 +55,11 @@ jobs:
           path: .next/cache
           key: ${{ runner.os }}-nextjs-${{ hashFiles('package*.json') }}-${{ hashFiles('.github/workflows/browser-test.yml') }}
 
+      - name: Cache lib/redirects/.redirects-cache_en_ja.json
+        uses: actions/cache@c64c572235d810460d0d6876e9c705ad5002b353
+        with:
+          path: lib/redirects/.redirects-cache_en_ja.json
+          key: ${{ runner.os }}-redirects-cache-${{ hashFiles('.github/workflows/browser-test.yml') }}
+
       - name: Run browser-test
         run: npm run browser-test

package.json

@@ -194,7 +194,7 @@
   "repository": "https://github.com/github/docs",
   "scripts": {
     "browser-test": "start-server-and-test browser-test-server 4001 browser-test-tests",
-    "browser-test-server": "cross-env NODE_ENV=production WEB_CONCURRENCY=1 PORT=4001 node server.mjs",
+    "browser-test-server": "cross-env NODE_ENV=production WEB_CONCURRENCY=1 PORT=4001 ENABLED_LANGUAGES=en,ja node server.mjs",
     "browser-test-tests": "cross-env BROWSER=1 NODE_OPTIONS=--experimental-vm-modules jest tests/browser/browser.js",
     "build": "next build",
     "debug": "cross-env NODE_ENV=development ENABLED_LANGUAGES='en,ja' nodemon --inspect server.mjs",