MC-31920: Let Magento\Framework\Lock\Backend\Database have 2 locks in single connection

- Replace obsolete class;

Author: adifucan

dev/tests/integration/testsuite/Magento/MessageQueue/Model/Cron/ConsumersRunnerTest.php

@@ -69,7 +69,7 @@ class ConsumersRunnerTest extends \PHPUnit\Framework\TestCase
     private $appConfig;
 
     /**
-     * @var ShellInterface|\PHPUnit_Framework_MockObject_MockObject
+     * @var ShellInterface|\PHPUnit\Framework\MockObject\MockObject
      */
     private $shellMock;