MAGETWO-50549: Create Hydrator that allows convert data interface to array and array to data interface

Fixing tests

Author: Igor Melnikov

app/code/Magento/ConfigurableProduct/Test/Unit/Block/Plugin/Product/Media/GalleryTest.php

@@ -60,7 +60,7 @@ protected function setUp()
         $variationProduct->expects($this->any())->method('getImage')->willReturn('image.jpg');
         $variationProduct->expects($this->any())->method('getData')->with('configurable_attribute')->willReturn(1);
 
-        $this->galleryHandler->expects($this->once())->method('execute')->with('', $variationProduct);
+        $this->galleryHandler->expects($this->once())->method('execute')->with($variationProduct);
 
         $configurableType = $this->getMockBuilder('\Magento\ConfigurableProduct\Model\Product\Type\Configurable')
             ->disableOriginalConstructor()

lib/internal/Magento/Framework/EntityManager/Test/Unit/TypeResolverTest.php

@@ -25,7 +25,7 @@ public function setUp()
 
     /**
      * @param object $dataObject
-     * @param string[] $interfaceNames
+     * @param string $interfaceNames
      * @dataProvider resolveDataProvider
      */
     public function testResolve($dataObject, $interfaceName)
@@ -46,15 +46,7 @@ public function resolveDataProvider()
             ],
             [
                 \Magento\Catalog\Model\Category::class,
-                \Magento\Catalog\Api\Data\CategoryTreeInterface::class,
-            ],
-            [
-                \Magento\SalesRule\Model\Rule::class,
-                \Magento\SalesRule\Api\Data\RuleInterface::class,
-            ],
-            [
-                \Magento\SalesRule\Model\Rule\Interceptor::class,
-                \Magento\SalesRule\Api\Data\RuleInterface::class,
+                \Magento\Catalog\Api\Data\CategoryInterface::class,
             ]
         ];
     }