Add server.js back.

Author: onurtemizkan

packages/nextjs/test/integration/test/server.js

@@ -0,0 +1,18 @@
+const path = require('path');
+const { run } = require('./runner');
+const { createNextServer, startServer } = require('./utils/common');
+
+const setup = async () => {
+  const server = await createNextServer({ dev: false, dir: path.resolve(__dirname, '..') });
+  return startServer(server);
+};
+
+const teardown = async ({ server }) => {
+  return new Promise(resolve => server.close(resolve));
+};
+
+run({
+  setup,
+  teardown,
+  scenariosDir: path.resolve(__dirname, './server'),
+});