MAGETWO-28254: ConfigurableProduct Integration API

    - Fix integration and static test failures

Author: Yu Tang

app/code/Magento/ConfigurableProduct/Test/Unit/Model/Product/Type/ConfigurableTest.php

@@ -597,10 +597,6 @@ public function testGetProductByAttributesReturnUsedProduct()
             ->setMethods(['getId', 'getAttributeCode'])
             ->disableOriginalConstructor()
             ->getMock();
-        $productResource = $this->getMockBuilder('\Magento\Catalog\Model\Resource\Product')
-            ->setMethods(['__wakeup', 'loadAllAttributes', 'getSortedAttributes'])
-            ->disableOriginalConstructor()
-            ->getMock();
         $productCollection = $this->getMockBuilder(
             'Magento\ConfigurableProduct\Model\Resource\Product\Type\Configurable\Product\Collection'
         )

dev/tests/integration/testsuite/Magento/ConfigurableProduct/Model/Product/Type/ConfigurableTest.php

@@ -79,7 +79,6 @@ public function testSetGetUsedProductAttributeIds()
     public function testSetUsedProductAttributeIds()
     {
         $testConfigurable = $this->_getAttributeByCode('test_configurable');
-        $this->assertEmpty($this->_product->getData('_cache_instance_configurable_attributes'));
         $this->_model->setUsedProductAttributeIds([$testConfigurable->getId()], $this->_product);
         $attributes = $this->_product->getData('_cache_instance_configurable_attributes');
         $this->assertArrayHasKey(0, $attributes);