Fix JS script as a part of #127 (#132)

Author: paveliam

Aquality.Selenium/src/Aquality.Selenium/Resources/JavaScripts/GetComboBoxTexts.js

@@ -1,6 +1,6 @@
 return (function(element) {
-    var array = new Array();
-    for(i = 0; i < element.length; i++) {
+    let array = new Array();
+    for (let i = 0; i < element.length; i++) {
         array.push(element[i].text);
     }
     return array;