test: update process-release for Node 8 Carbon

PR-URL: nodejs/node#16656
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>

test/parallel/test-process-release.js

@@ -1,16 +1,20 @@
 'use strict';
+
 require('../common');
+
 const assert = require('assert');
 const versionParts = process.versions.node.split('.');
 
-assert.equal(process.release.name, 'node');
+assert.strictEqual(process.release.name, 'node');
 
 // it's expected that future LTS release lines will have additional
 // branches in here
 if (versionParts[0] === '4' && versionParts[1] >= 2) {
-  assert.equal(process.release.lts, 'Argon');
+  assert.strictEqual(process.release.lts, 'Argon');
 } else if (versionParts[0] === '6' && versionParts[1] >= 9) {
-  assert.equal(process.release.lts, 'Boron');
+  assert.strictEqual(process.release.lts, 'Boron');
+} else if (versionParts[0] === '8' && versionParts[1] >= 9) {
+  assert.strictEqual(process.release.lts, 'Carbon');
 } else {
   assert.strictEqual(process.release.lts, undefined);
 }