fixed unit test issue

Author: sunilit42

app/code/Magento/Catalog/Block/Rss/Category.php

@@ -16,12 +16,7 @@
  */
 class Category extends \Magento\Framework\View\Element\AbstractBlock implements DataProviderInterface
 {
-    /**
-     * @var \Magento\Framework\Config\View
-     */
-    private $configView;
-	
-	/**
+   /**
      * @var \Magento\Catalog\Model\CategoryFactory
      */
     protected $categoryFactory;
@@ -56,6 +51,16 @@ class Category extends \Magento\Framework\View\Element\AbstractBlock implements
      */
     protected $categoryRepository;
 
+    /**
+     * @var \Magento\Framework\View\ConfigInterface
+     */
+    protected $viewConfig;
+
+    /**
+     * @var \Magento\Framework\Config\View
+     */
+    protected $configView;
+
     /**
      * @param \Magento\Framework\View\Element\Template\Context $context
      * @param \Magento\Catalog\Model\CategoryFactory $categoryFactory
@@ -64,6 +69,7 @@ class Category extends \Magento\Framework\View\Element\AbstractBlock implements
      * @param \Magento\Catalog\Helper\Image $imageHelper
      * @param \Magento\Customer\Model\Session $customerSession
      * @param CategoryRepositoryInterface $categoryRepository
+     * @param \Magento\Framework\View\ConfigInterface $viewConfig
      * @param array $data
      * @SuppressWarnings(PHPMD.ExcessiveParameterList)
      */
@@ -75,6 +81,7 @@ public function __construct(
         \Magento\Catalog\Helper\Image $imageHelper,
         \Magento\Customer\Model\Session $customerSession,
         CategoryRepositoryInterface $categoryRepository,
+        \Magento\Framework\View\ConfigInterface $viewConfig,
         array $data = []
     ) {
         $this->imageHelper = $imageHelper;
@@ -84,6 +91,7 @@ public function __construct(
         $this->rssUrlBuilder = $rssUrlBuilder;
         $this->storeManager = $context->getStoreManager();
         $this->categoryRepository = $categoryRepository;
+        $this->viewConfig = $viewConfig;
         parent::__construct($context, $data);
     }
 
@@ -124,7 +132,7 @@ public function getRssData()
 
         $attributes = $this->getConfigView()
                 ->getMediaAttributes('Magento_Catalog', $this->imageHelper::MEDIA_TYPE_CONFIG_NODE, 'rss_thumbnail');
-				
+
         /** @var $product \Magento\Catalog\Model\Product */
         foreach ($this->rssModel->getProductCollection($category, $this->getStoreId()) as $product) {
             $product->setAllowedInRss(true);
@@ -275,12 +283,14 @@ public function isAuthRequired()
     }
 
     /**
+     * Retrieve config view
+     *
      * @return \Magento\Framework\Config\View
      */
-    private function getConfigView()
+    protected function getConfigView()
     {
         if (!$this->configView) {
-            $this->configView = $this->_viewConfig->getViewConfig();
+            $this->configView = $this->viewConfig->getViewConfig();
         }
         return $this->configView;
     }

app/code/Magento/Catalog/Test/Unit/Block/Rss/CategoryTest.php

@@ -72,6 +72,11 @@ class CategoryTest extends \PHPUnit\Framework\TestCase
      * @var \Magento\Catalog\Api\CategoryRepositoryInterface|\PHPUnit_Framework_MockObject_MockObject
      */
     protected $categoryRepository;
+	
+	/**
+     * @var \Magento\Framework\View\ConfigInterface|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $viewConfig;
 
     /**
      * @var array
@@ -115,6 +120,8 @@ protected function setUp()
         $this->storeManager->expects($this->any())->method('getStore')->will($this->returnValue($store));
         $this->scopeConfig = $this->createMock(\Magento\Framework\App\Config\ScopeConfigInterface::class);
         $this->categoryRepository = $this->createMock(\Magento\Catalog\Api\CategoryRepositoryInterface::class);
+		$this->viewConfig = $this->getMockBuilder(\Magento\Framework\View\ConfigInterface::class)
+            ->getMockForAbstractClass();
         $objectManagerHelper = new ObjectManagerHelper($this);
         $this->block = $objectManagerHelper->getObject(
             \Magento\Catalog\Block\Rss\Category::class,
@@ -130,6 +137,7 @@ protected function setUp()
                 'customerSession' => $this->customerSession,
                 'storeManager' => $this->storeManager,
                 'categoryRepository' => $this->categoryRepository,
+				'viewConfig' => $this->viewConfig,
             ]
         );
     }
@@ -144,6 +152,14 @@ public function testGetRssData()
             ->will($this->returnValue('http://magento.com/category-name.html'));
 
         $this->categoryRepository->expects($this->once())->method('get')->will($this->returnValue($category));
+		
+		$configViewMock = $this->getMockBuilder(\Magento\Framework\Config\View::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+			
+		$this->viewConfig->expects($this->once())
+            ->method('getViewConfig')
+            ->willReturn($configViewMock);
 
         $product = $this->getMockBuilder(\Magento\catalog\Model\Product::class)
             ->setMethods([