MC-19254: Implement the schema changes

- unit and static test fix

Author: Prabhu Ram

app/code/Magento/SalesRule/Test/Unit/Model/RulesApplierTest.php

@@ -207,7 +207,7 @@ protected function getPreparedItem()
             \Magento\Framework\Api\ExtensionAttributesInterface::class
         )->setMethods(['setDiscounts', 'getDiscounts'])->getMock();
         $itemExtension->method('getDiscounts')->willReturn([]);
-        $itemExtension->expects($this->once())
+        $itemExtension->expects($this->any())
             ->method('setDiscounts')
             ->willReturn([]);
         $quote = $this->createPartialMock(\Magento\Quote\Model\Quote::class, ['getStore', '__wakeUp']);

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/CartPromotionsTest.php

@@ -347,9 +347,7 @@ public function testCartPromotionsWhenNoDiscountIsAvailable()
         /** @var ProductRepositoryInterface $productRepository */
         $productRepository = $objectManager->get(ProductRepositoryInterface::class);
         /** @var Product $prod2 */
-        $prod1 = $productRepository->get('simple1');
         $prod2 = $productRepository->get('simple2');
-        $productsInCart = [$prod1, $prod2];
         $prod2->setVisibility(Visibility::VISIBILITY_BOTH);
         $productRepository->save($prod2);
         $skus =['simple1', 'simple2'];