Fix tests

Author: Mateusz Krzeszowiak

lib/web/mage/gallery/gallery.js

@@ -310,18 +310,20 @@ define([
             $fotoramaElement = $element.find('[data-gallery-role="gallery"]');
             $fotoramaElement.fotorama(config);
             $fotoramaElement.find('.fotorama__stage__frame.fotorama__active')
-                    .one('f:load', function() {
+                    .one('f:load', function () {
                         // Remove placeholder when main gallery image loads.
                         $placeholderImage.remove();
                         $element
                             .removeClass('_block-content-loading')
                             .css('min-height', '');
                     });
+            settings.$elementF = $fotoramaElement;
             settings.fotoramaApi = $fotoramaElement.data('fotorama');
 
             $.extend(true, config, this.startConfig);
 
             mainImageIndex = getMainImageIndex(config.data);
+
             if (mainImageIndex) {
                 this.settings.fotoramaApi.show({
                     index: mainImageIndex,