MAGETWO-92468: Make PR tests namespace-agnostic to support testing external extensions

Author: pdohogne-magento

dev/tests/static/testsuite/Magento/Test/Js/_files/blacklist/magento.txt

@@ -14,3 +14,6 @@ lib/web/mage/adminhtml/varienLoader.js
 lib/web/magnifier/magnifier.js
 lib/web/magnifier/magnify.js
 lib/web/varien/js.js
+
+// MINIFIED FILES
+app/code/**/*.min.js

dev/tools/grunt/tools/collect-validation-files.js

@@ -3,10 +3,6 @@
  * See COPYING.txt for license details.
  */
 
-/**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
- */
 'use strict';
 
 var glob = require('glob'),
@@ -29,8 +25,8 @@ module.exports = {
     getFilesForValidate: function () {
         var blackListFiles = glob.sync(pc.static.blacklist + '*.txt'),
             whiteListFiles = glob.sync(pc.static.whitelist + '*.txt'),
-            blackList = this.readFiles(blackListFiles),
-            whiteList = this.readFiles(whiteListFiles),
+            blackList = this.readFiles(blackListFiles).filter(this.isListEntryValid),
+            whiteList = this.readFiles(whiteListFiles).filter(this.isListEntryValid),
             files = [],
             entireBlackList = [];
 
@@ -45,6 +41,11 @@ module.exports = {
         return files;
     },
 
+    isListEntryValid: function(line) {
+        line = line.trim();
+        return line.length > 0 && line.startsWith('// ') !== true;
+    },
+
     getFiles: function (file) {
         if (file) {
             return file.split(',');