AC-1199::Fixed static tests

Author: glo71317

app/code/Magento/Ui/view/base/web/js/grid/columns/image-preview.js

@@ -169,7 +169,7 @@ define([
          * Update image data when image preview is opened
          */
         updateImageData: function () {
-            var img = $(this.previewImageSelector + ' img');
+            var img = $(this.previewImageSelector + ' img'), self;
 
             if (!img.get(0)) {
                 setTimeout(function () {
@@ -179,7 +179,8 @@ define([
                 this.updateHeight();
                 this.scrollToPreview();
             } else {
-                var self = this;
+                self = this;
+
                 img.on('load', function () {
                     self.updateHeight();
                     self.scrollToPreview();