MAGETWO-34729: Code coverage

dev/tests/unit/testsuite/Magento/Sales/Model/Order/Creditmemo/ItemTest.php → app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/ItemTest.php

@@ -19,7 +19,7 @@ class ConfigTest extends \PHPUnit_Framework_TestCase
 
     public function setUp()
     {
-        $objectManager = new \Magento\TestFramework\Helper\ObjectManager($this);
+        $objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
         $this->orderItemFactoryMock = $this->getMockBuilder('Magento\Sales\Model\Order\ItemFactory')
             ->disableOriginalConstructor()
             ->setMethods(['create'])

dev/tests/unit/testsuite/Magento/Sales/Model/Order/Invoice/ItemTest.php → app/code/Magento/Sales/Test/Unit/Model/Order/Invoice/ItemTest.php

@@ -9,7 +9,7 @@ namespace Magento\Sales\Model\Order\Invoice;
 class ItemTest extends \PHPUnit_Framework_TestCase
 {
     /**
-     * @var \Magento\TestFramework\Helper\ObjectManager
+     * @var \Magento\Framework\TestFramework\Unit\Helper\ObjectManager
      */
     protected $objectManager;
     /**
@@ -35,7 +35,7 @@ class ItemTest extends \PHPUnit_Framework_TestCase
 
     public function setUp()
     {
-        $this->objectManager = new \Magento\TestFramework\Helper\ObjectManager($this);
+        $this->objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
         $this->orderItemFactoryMock = $this->getMock('Magento\Sales\Model\Order\ItemFactory',
             ['create'],
             [],