test: replace forEach with for..of in test-process-env

PR-URL: https://github.com/nodejs/node/pull/49825
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

test/parallel/test-process-env-ignore-getter-setter.js

@@ -40,7 +40,7 @@ assert.throws(
 
 const attributes = ['configurable', 'writable', 'enumerable'];
 
-attributes.forEach((attribute) => {
+for (const attribute of attributes) {
   assert.throws(
     () => {
       Object.defineProperty(process.env, 'goo', {
@@ -55,7 +55,7 @@ attributes.forEach((attribute) => {
           ' and enumerable data descriptor'
     }
   );
-});
+}
 
 assert.strictEqual(process.env.goo, undefined);
 Object.defineProperty(process.env, 'goo', {