MAGETWO-69967: Double re-indexation of configurable product

Author: p-bystritsky

app/code/Magento/CatalogInventory/Model/Stock/StockItemRepository.php

@@ -181,8 +181,6 @@ public function save(\Magento\CatalogInventory\Api\Data\StockItemInterface $stoc
             $stockItem->setStockId($stockItem->getStockId());
 
             $this->resource->save($stockItem);
-
-            $this->indexProcessor->reindexRow($stockItem->getProductId());
         } catch (\Exception $exception) {
             throw new CouldNotSaveException(__('Unable to save Stock Item'), $exception);
         }

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

@@ -314,7 +314,7 @@ public function testSave()
             ->method('save')
             ->with($this->stockItemMock)
             ->willReturnSelf();
-        $this->indexProcessorMock->expects($this->once())->method('reindexRow')->with($productId);
+        $this->indexProcessorMock->expects($this->never())->method('reindexRow')->with($productId);
 
         $this->assertEquals($this->stockItemMock, $this->model->save($this->stockItemMock));
     }