MAGETWO-97671: Invalid action behavior

Author: svitja

app/code/Magento/Email/Test/Unit/Controller/Adminhtml/Email/Template/PreviewTest.php

@@ -16,55 +16,58 @@
 use Magento\Framework\View\Result\Page;
 
 /**
- * Preview Test.
+ * Preview email template test.
  */
 class PreviewTest extends \PHPUnit_Framework_TestCase
 {
     /**
      * @var Preview
      */
-    protected $object;
+    private $object;
 
     /**
      * @var Context
      */
-    protected $context;
+    private $context;
 
     /**
      * @var Registry|\PHPUnit_Framework_MockObject_MockObject
      */
-    protected $coreRegistryMock;
+    private $coreRegistryMock;
 
     /**
      * @var View|\PHPUnit_Framework_MockObject_MockObject
      */
-    protected $viewMock;
+    private $viewMock;
 
     /**
      * @var RequestInterface|\PHPUnit_Framework_MockObject_MockObject
      */
-    protected $requestMock;
+    private $requestMock;
 
     /**
      * @var Page|\PHPUnit_Framework_MockObject_MockObject
      */
-    protected $pageMock;
+    private $pageMock;
 
     /**
      * @var Config|\PHPUnit_Framework_MockObject_MockObject
      */
-    protected $pageConfigMock;
+    private $pageConfigMock;
 
     /**
      * @var Title|\PHPUnit_Framework_MockObject_MockObject
      */
-    protected $pageTitleMock;
+    private $pageTitleMock;
 
     /**
      * @var \Magento\Framework\App\ResponseInterface|\PHPUnit_Framework_MockObject_MockObject
      */
-    protected $responseMock;
+    private $responseMock;
 
+    /**
+     * @inheritdoc
+     */
     protected function setUp()
     {
         $objectManager = new ObjectManager($this);
@@ -99,7 +102,7 @@ protected function setUp()
             [
                 'request' => $this->requestMock,
                 'view' => $this->viewMock,
-                'response' => $this->responseMock
+                'response' => $this->responseMock,
             ]
         );
         $this->object = $objectManager->getObject(
@@ -111,6 +114,9 @@ protected function setUp()
         );
     }
 
+    /**
+     * @return void
+     */
     public function testExecute()
     {
         $this->viewMock->expects($this->once())