MAGETWO-37983: Improve test code coverage

Author: miakusha

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

@@ -406,12 +406,11 @@ public function testGetLowStockDate()
 
     /**
      * @param array $config
-     * @param float $expected
+     * @param mixed $expected
      * @dataProvider getQtyIncrementsDataProvider(
      */
     public function testGetQtyIncrements($config, $expected)
     {
-       // $qtyIncrements = 5;
         $this->setDataArrayValue('qty_increments', $config['qty_increments']);
         $this->setDataArrayValue('enable_qty_increments', $config['enable_qty_increments']);
         $this->setDataArrayValue('use_config_qty_increments', $config['use_config_qty_increments']);

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

@@ -47,7 +47,6 @@ class StockRepositoryTest extends \PHPUnit_Framework_TestCase
      */
     protected $mapperMock;
 
-
     protected function setUp()
     {
 
@@ -76,7 +75,6 @@ protected function setUp()
             ->disableOriginalConstructor()
             ->getMock();
 
-
         $this->model = new StockRepository(
             $this->stockResourceMock,
             $this->stockFactoryMock,
@@ -182,5 +180,4 @@ public function testDeleteByIdException()
 
         $this->assertTrue($this->model->deleteById($id));
     }
-
 }

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

@@ -49,11 +49,9 @@ class StockStatusRepositoryTest extends \PHPUnit_Framework_TestCase
 
     protected function setUp()
     {
-
         $this->stockStatusMock = $this->getMockBuilder('\Magento\CatalogInventory\Model\Stock\Status')
             ->disableOriginalConstructor()
             ->getMock();
-
         $this->stockStatusResourceMock = $this->getMockBuilder('\Magento\CatalogInventory\Model\Resource\Stock\Status')
             ->disableOriginalConstructor()
             ->getMock();
@@ -67,7 +65,6 @@ protected function setUp()
         )
             ->disableOriginalConstructor()
             ->getMock();
-
         $this->queryBuilderFactoryMock = $this->getMockBuilder('Magento\Framework\DB\QueryBuilderFactory')
             ->disableOriginalConstructor()
             ->getMock();