MAGETWO-37983: Improve test code coverage

- static test fix

Author: Victor Rad

app/code/Magento/CatalogInventory/Test/Unit/Block/Stockqty/DefaultStockqtyTest.php

@@ -211,6 +211,6 @@ protected function setDataArrayValue($key, $value)
     public function testGetThresholdQty()
     {
         $this->scopeConfigMock->expects($this->once())->method('getValue')->willReturn(5);
-        $this->assertEquals(5,$this->block->getThresholdQty());
+        $this->assertEquals(5, $this->block->getThresholdQty());
     }
 }

app/code/Magento/CatalogInventory/Test/Unit/Model/Stock/StockItemRepositoryTest.php

@@ -6,9 +6,12 @@
 namespace Magento\CatalogInventory\Test\Unit\Model\Stock;
 
 use \Magento\CatalogInventory\Model\Stock\StockItemRepository;
+use \Magento\CatalogInventory\Api\Data as InventoryApiData;
 
 /**
  * Class StockItemRepositoryTest
+ *
+ * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class StockItemRepositoryTest extends \PHPUnit_Framework_TestCase
 {
@@ -42,12 +45,12 @@ class StockItemRepositoryTest extends \PHPUnit_Framework_TestCase
     protected $stockItemResourceMock;
 
     /**
-     * @var \Magento\CatalogInventory\Api\Data\StockItemInterfaceFactory|\PHPUnit_Framework_MockObject_MockObject
+     * @var InventoryApiData\StockItemInterfaceFactory|\PHPUnit_Framework_MockObject_MockObject
      */
     protected $stockItemFactoryMock;
 
     /**
-     * @var \Magento\CatalogInventory\Api\Data\StockItemCollectionInterfaceFactory|\PHPUnit_Framework_MockObject_MockObject
+     * @var InventoryApiData\StockItemCollectionInterfaceFactory|\PHPUnit_Framework_MockObject_MockObject
      */
     protected $stockItemCollectionMock;
 

app/code/Magento/CatalogInventory/Test/Unit/Model/Stock/StockStatusRepositoryTest.php

@@ -6,6 +6,7 @@
 namespace Magento\CatalogInventory\Test\Unit\Model\Stock;
 
 use \Magento\CatalogInventory\Model\Stock\StockStatusRepository;
+use \Magento\CatalogInventory\Api\Data as InventoryApiData;
 
 /**
  * Class StockStatusRepositoryTest
@@ -33,7 +34,7 @@ class StockStatusRepositoryTest extends \PHPUnit_Framework_TestCase
     protected $stockStatusFactoryMock;
 
     /**
-     * @var Magento\CatalogInventory\Api\Data\StockStatusCollectionInterfaceFactory|\PHPUnit_Framework_MockObject_MockObject
+     * @var InventoryApiData\StockStatusCollectionInterfaceFactory|\PHPUnit_Framework_MockObject_MockObject
      */
     protected $stockStatusCollectionMock;