MC-31420: [GraphQL] Flat Rate shipping amount is returned as $10 instead of $5 for 1st configurable product in cart.

- modified customer tests

Author: Prabhu Ram

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

@@ -85,13 +85,15 @@ public function testGetAvailableShippingMethods()
     /**
      * Test case: get available shipping methods from current customer quote with configurable product
      *
-     * @magentoApiDataFixture Magento/ConfigurableProduct/_files/quote_with_configurable_product.php
-     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/set_address_quote_with_configurable_product.php
+     * @magentoApiDataFixture Magento/Customer/_files/customer.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/customer/create_empty_cart.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/add_configurable_product.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/set_new_shipping_address.php
      */
     public function testGetAvailableShippingMethodsWithConfigurableProduct()
     {
-        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('test_cart_with_configurable');
-        $response = $this->graphQlQuery($this->getQuery($maskedQuoteId));
+        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('test_quote');
+        $response = $this->graphQlQuery($this->getQuery($maskedQuoteId), [], '', $this->getHeaderMap());
 
         self::assertArrayHasKey('cart', $response);
         self::assertArrayHasKey('shipping_addresses', $response['cart']);

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

@@ -84,12 +84,13 @@ public function testGetAvailableShippingMethods()
     /**
      * Test case: get available shipping methods from current customer quote with configurable product
      *
-     * @magentoApiDataFixture Magento/ConfigurableProduct/_files/quote_with_configurable_product.php
-     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/set_address_quote_with_configurable_product.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/guest/create_empty_cart.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/add_configurable_product.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/set_new_shipping_address.php
      */
     public function testGetAvailableShippingMethodsWithConfigurableProduct()
     {
-        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('test_cart_with_configurable');
+        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('test_quote');
         $response = $this->graphQlQuery($this->getQuery($maskedQuoteId));
 
         self::assertArrayHasKey('cart', $response);

dev/tests/integration/testsuite/Magento/GraphQl/Quote/_files/add_configurable_product.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+use Magento\Catalog\Api\ProductRepositoryInterface;
+use Magento\Quote\Api\CartRepositoryInterface;
+use Magento\Quote\Model\QuoteFactory;
+use Magento\Quote\Model\ResourceModel\Quote as QuoteResource;
+use Magento\TestFramework\Helper\Bootstrap;
+
+require __DIR__.'/../../../ConfigurableProduct/_files/product_configurable.php';
+
+/** @var ProductRepositoryInterface $productRepository */
+$productRepository = Bootstrap::getObjectManager()->get(ProductRepositoryInterface::class);
+/** @var QuoteFactory $quoteFactory */
+$quoteFactory = Bootstrap::getObjectManager()->get(QuoteFactory::class);
+/** @var QuoteResource $quoteResource */
+$quoteResource = Bootstrap::getObjectManager()->get(QuoteResource::class);
+/** @var CartRepositoryInterface $cartRepository */
+$cartRepository = Bootstrap::getObjectManager()->get(CartRepositoryInterface::class);
+
+/** @var $attribute \Magento\Catalog\Model\ResourceModel\Eav\Attribute */
+
+/** @var $product \Magento\Catalog\Model\Product */
+$productRepository = Bootstrap::getObjectManager()->create(ProductRepositoryInterface::class);
+$product = $productRepository->get('configurable');
+/* Create simple products per each option */
+/** @var $options \Magento\Eav\Model\ResourceModel\Entity\Attribute\Option\Collection */
+$options = Bootstrap::getObjectManager()->create(
+    \Magento\Eav\Model\ResourceModel\Entity\Attribute\Option\Collection::class
+);
+$option = $options->setAttributeFilter($attribute->getId())->getFirstItem();
+
+$requestInfo = new \Magento\Framework\DataObject(
+    [
+        'product' => 1,
+        'selected_configurable_option' => 1,
+        'qty' => 1,
+        'super_attribute' => [
+            $attribute->getId() => $option->getId()
+        ]
+    ]
+);
+
+
+$quote = $quoteFactory->create();
+$quoteResource->load($quote, 'test_quote', 'reserved_order_id');
+$quote->addProduct($product, $requestInfo);
+$cartRepository->save($quote);