Typo Fixed in code.

app/code/Magento/Catalog/Block/Adminhtml/Product/Edit/Tabs.php

@@ -8,7 +8,7 @@
 
 use Magento\Backend\Block\Template\Context;
 use Magento\Backend\Block\Widget\Accordion;
-use Magento\Backend\Block\Widget\Tabs as WigetTabs;
+use Magento\Backend\Block\Widget\Tabs as WidgetTabs;
 use Magento\Backend\Model\Auth\Session;
 use Magento\Catalog\Helper\Catalog;
 use Magento\Catalog\Helper\Data;
@@ -22,7 +22,7 @@
  * Admin product edit tabs
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
-class Tabs extends WigetTabs
+class Tabs extends WidgetTabs
 {
     const BASIC_TAB_GROUP_CODE = 'basic';
 
@@ -109,7 +109,7 @@ public function __construct(
     }
 
     /**
-     * @return void
+     * @inheritdoc
      */
     protected function _construct()
     {
@@ -119,6 +119,8 @@ protected function _construct()
     }
 
     /**
+     * Get group collection.
+     *
      * @param int $attributeSetId
      * @return \Magento\Eav\Model\ResourceModel\Entity\Attribute\Group\Collection
      */
@@ -131,10 +133,11 @@ public function getGroupCollection($attributeSetId)
     }
 
     /**
-     * @return $this
+     * @inheritdoc
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
-     * @SuppressWarnings(PHPMD.NPathComplexity)
      * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
+     * @SuppressWarnings(PHPMD.NPathComplexity)
+     * @SuppressWarnings(PHPMD.RequestAwareBlockMethod)
      */
     protected function _prepareLayout()
     {
@@ -315,6 +318,8 @@ public function getAttributeTabBlock()
     }
 
     /**
+     * Set attribute tab block.
+     *
      * @param string $attributeTabBlock
      * @return $this
      */
@@ -337,6 +342,8 @@ protected function _translateHtml($html)
     }
 
     /**
+     * Get accordion.
+     *
      * @param string $parentTab
      * @return string
      */

app/code/Magento/Catalog/Test/Unit/Model/ProductTest.php

@@ -8,11 +8,11 @@
 
 use Magento\Catalog\Api\Data\ProductExtensionInterface;
 use Magento\Catalog\Model\Product;
+use Magento\Catalog\Model\Product\Attribute\Source\Status;
 use Magento\Framework\Api\Data\ImageContentInterface;
 use Magento\Framework\Api\ExtensibleDataInterface;
 use Magento\Framework\Api\ExtensionAttributesFactory;
 use Magento\Framework\TestFramework\Unit\Helper\ObjectManager as ObjectManagerHelper;
-use Magento\Catalog\Model\Product\Attribute\Source\Status;
 
 /**
  * Product Test
@@ -180,7 +180,7 @@ class ProductTest extends \PHPUnit\Framework\TestCase
     /**
      * @var \PHPUnit_Framework_MockObject_MockObject
      */
-    private $extensionAttrbutes;
+    private $extensionAttributes;
 
     /**
      * @var \PHPUnit_Framework_MockObject_MockObject
@@ -200,7 +200,7 @@ class ProductTest extends \PHPUnit\Framework\TestCase
     /**
      * @var ProductExtensionInterface|\PHPUnit_Framework_MockObject_MockObject
      */
-    private $extensionAttributes;
+    private $productExtAttributes;
 
     /**
      * @var \Magento\Eav\Model\Config|\PHPUnit_Framework_MockObject_MockObject
@@ -218,7 +218,7 @@ protected function setUp()
             \Magento\Framework\Module\Manager::class,
             ['isEnabled']
         );
-        $this->extensionAttrbutes = $this->getMockBuilder(\Magento\Framework\Api\ExtensionAttributesInterface::class)
+        $this->extensionAttributes = $this->getMockBuilder(\Magento\Framework\Api\ExtensionAttributesInterface::class)
             ->setMethods(['getWebsiteIds', 'setWebsiteIds'])
             ->disableOriginalConstructor()
             ->getMock();
@@ -372,13 +372,13 @@ protected function setUp()
         $this->mediaConfig = $this->createMock(\Magento\Catalog\Model\Product\Media\Config::class);
         $this->eavConfig = $this->createMock(\Magento\Eav\Model\Config::class);
 
-        $this->extensionAttributes = $this->getMockBuilder(ProductExtensionInterface::class)
+        $this->productExtAttributes = $this->getMockBuilder(ProductExtensionInterface::class)
             ->setMethods(['getStockItem'])
             ->getMockForAbstractClass();
         $this->extensionAttributesFactory
             ->expects($this->any())
             ->method('create')
-            ->willReturn($this->extensionAttributes);
+            ->willReturn($this->productExtAttributes);
 
         $this->filterCustomAttribute = $this->createTestProxy(
             \Magento\Catalog\Model\FilterProductCustomAttribute::class
@@ -549,6 +549,7 @@ public function testSetCategoryCollection()
 
     public function testGetCategory()
     {
+        $this->model->setData('category_ids', [10]);
         $this->category->expects($this->any())->method('getId')->will($this->returnValue(10));
         $this->registry->expects($this->any())->method('registry')->will($this->returnValue($this->category));
         $this->categoryRepository->expects($this->any())->method('get')->will($this->returnValue($this->category));
@@ -557,7 +558,8 @@ public function testGetCategory()
 
     public function testGetCategoryId()
     {
-        $this->category->expects($this->once())->method('getId')->will($this->returnValue(10));
+        $this->model->setData('category_ids', [10]);
+        $this->category->expects($this->any())->method('getId')->will($this->returnValue(10));
 
         $this->registry->expects($this->at(0))->method('registry');
         $this->registry->expects($this->at(1))->method('registry')->will($this->returnValue($this->category));