Build: Update grunt-contrib-qunit version from 1.0.1 to 4.0.0

Closes gh-1894

Author: sakshisharmapuresoftware

Gruntfile.js

@@ -225,7 +225,17 @@ grunt.initConfig( {
 			return !( /(all|index|test)\.html$/ ).test( file );
 		} ),
 		options: {
-			inject: false,
+			puppeteer: {
+				ignoreDefaultArgs: true,
+				args: [
+					"--headless",
+					"--disable-web-security",
+					"--allow-file-access-from-files"
+				]
+			},
+			inject: [
+				require.resolve( "grunt-contrib-qunit/chrome/bridge" )
+			],
 			page: {
 				viewportSize: { width: 700, height: 500 }
 			}

package.json

@@ -58,7 +58,7 @@
 		"grunt-contrib-concat": "1.0.1",
 		"grunt-contrib-csslint": "2.0.0",
 		"grunt-contrib-jshint": "0.12.0",
-		"grunt-contrib-qunit": "1.0.1",
+		"grunt-contrib-qunit": "4.0.0",
 		"grunt-contrib-requirejs": "1.0.0",
 		"grunt-contrib-uglify": "5.0.0",
 		"grunt-git-authors": "3.2.0",