Fix one unit test to work with modified RequestInterface

Example of how the broken unit tests can be fixed.  Please identify all broken tests as part of your pull request and provide fixes for them so that we may accept your pull request.

Author: otoolec

dev/tests/unit/testsuite/Magento/Catalog/Controller/Adminhtml/Product/Action/Attribute/SaveTest.php

@@ -151,13 +151,8 @@ protected function prepareContext()
             ->disableOriginalConstructor()
             ->getMock();
 
-        $this->request = $this->getMock(
-            'Magento\Framework\App\RequestInterface',
-            ['getParam', 'getModuleName', 'setModuleName', 'getActionName', 'setActionName', 'getCookie'],
-            [],
-            '',
-            false
-        );
+        $this->request = $this->getMockBuilder('Magento\Framework\App\RequestInterface')
+            ->disableOriginalConstructor()->getMock();
         $this->response = $this->getMock('Magento\Framework\App\Response\Http', [], [], '', false);
         $this->objectManager = $this->getMock('Magento\Framework\ObjectManagerInterface');
         $this->eventManager = $this->getMock('Magento\Framework\Event\ManagerInterface', [], [], '', false);