MAGETWO-65468: [FT] Magento\Catalog\Test\TestCase\Product\CreateSimpleProductEntityTest fails on Jenkins

Author: serhii-balko

dev/tests/functional/tests/app/Magento/Catalog/Test/Block/Adminhtml/Product/Edit/Section/ProductDetails/CategoryIds.php

@@ -46,13 +46,6 @@ class CategoryIds extends MultisuggestElement
      */
     protected $advancedInventoryButton = '[data-index="advanced_inventory_button"]';
 
-    /**
-     * Locator for MultiSelect element.
-     *
-     * @var string
-     */
-    private $multiSelectElement = '.admin__action-multiselect-menu-inner-item';
-
     /**
      * @constructor
      * @param BrowserInterface $browser