MAGETWO-88965: Magento\Test\Legacy\LayoutTest is failing for B2B

- Implemetation moved from constructor;

Author: Aliaksei Yakimovich2

app/code/Magento/Backend/Block/Widget/Grid/Column/Multistore.php

@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Backend\Block\Widget\Grid\Column;
 
 /**
@@ -17,15 +19,10 @@ class Multistore extends \Magento\Backend\Block\Widget\Grid\Column
     /**
      * @param \Magento\Backend\Block\Template\Context $context
      * @param array $data
-     * @param array $additionalRendererTypes
      */
-    public function __construct(
-        \Magento\Backend\Block\Template\Context $context,
-        array $data = [],
-        array $additionalRendererTypes = []
-    ) {
+    public function __construct(\Magento\Backend\Block\Template\Context $context, array $data = [])
+    {
         parent::__construct($context, $data);
-        $this->_rendererTypes = array_merge($this->_rendererTypes, $additionalRendererTypes);
     }
 
     /**

dev/tests/static/testsuite/Magento/Test/Legacy/LayoutTest.php

@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Test\Legacy;