MAGETWO-56541: Integration test coverage

Author: irenelagno

dev/tests/integration/testsuite/Magento/Catalog/_files/product_simple.php

@@ -45,8 +45,6 @@
     ]
 );
 /** @var  $tpExtensionAttributes */
-$tpExtensionAttributesFactory = $objectManager->create(ProductTierPriceExtensionFactory::class);
-$tpExtensionAttributes = $tpExtensionAttributesFactory->create()->setPercentageValue(50);
 
 $tierPrices[] = $tierPriceFactory->create(
     [
@@ -55,7 +53,7 @@
             'qty' => 10
         ]
     ]
-)->setExtensionAttributes($tpExtensionAttributes);
+);
 
 $tierPrices = [];
 /** @var \Magento\Catalog\Api\Data\ProductTierPriceInterfaceFactory $tierPriceFactory */
@@ -87,18 +85,14 @@
         ]
     ]
 );
-/** @var  $tpExtensionAttributes */
-$tpExtensionAttributesFactory = $objectManager->create(ProductTierPriceExtensionFactory::class);
-$tpExtensionAttributes = $tpExtensionAttributesFactory->create()->setPercentageValue(50);
-
 $tierPrices[] = $tierPriceFactory->create(
     [
         'data' => [
             'customer_group_id' => \Magento\Customer\Model\Group::NOT_LOGGED_IN_ID,
             'qty' => 10
         ]
     ]
-)->setExtensionAttributes($tpExtensionAttributes);
+);
 
 /** @var $product \Magento\Catalog\Model\Product */
 $product = $objectManager->create(\Magento\Catalog\Model\Product::class);