MTA-3760: Fix Update Products Using Mass Actions

- fix code review items

Author: okolesnyk

dev/tests/functional/tests/app/Magento/Catalog/Test/Constraint/AssertMassProductUpdateSuccessMessage.php

@@ -23,7 +23,7 @@ class AssertMassProductUpdateSuccessMessage extends AbstractConstraint
      * Assert that after mass update successful message appears.
      *
      * @param CatalogProductIndex $productGrid
-     * @param integer $productsCount
+     * @param int $productsCount
      * @return void
      */
     public function processAssert(CatalogProductIndex $productGrid, $productsCount)

dev/tests/functional/tests/app/Magento/Catalog/Test/TestCase/Product/MassProductUpdateTest.php

@@ -62,11 +62,15 @@ class MassProductUpdateTest extends Injectable
     protected $configData;
 
     /**
+     * Factory for Test Steps.
+     *
      * @var TestStepFactory
      */
     private $testStepFactory;
 
     /**
+     * Factory for Fixtures.
+     *
      * @var FixtureFactory
      */
     private $fixtureFactory;
@@ -78,6 +82,7 @@ class MassProductUpdateTest extends Injectable
      * @param CatalogProductActionAttributeEdit $attributeMassActionPage
      * @param TestStepFactory $testStepFactory
      * @param FixtureFactory $fixtureFactory
+     * @return void
      */
     public function __inject(
         CatalogProductIndex $productGrid,