test: update process-release for Node 8 Carbon

PR-URL: #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>

Author: Fishrock123

test/parallel/test-process-release.js

@@ -1,16 +1,20 @@
 'use strict';
+
 require('../common');
+
 constassert=require('assert');
 constversionParts=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');
 }elseif(versionParts[0]==='6'&&versionParts[1]>=9){
-assert.equal(process.release.lts,'Boron');
+assert.strictEqual(process.release.lts,'Boron');
+}elseif(versionParts[0]==='8'&&versionParts[1]>=9){
+assert.strictEqual(process.release.lts,'Carbon');
 }else{
 assert.strictEqual(process.release.lts,undefined);
 }