magento2-login-as-customer/issues/90: Tests stabilization

-- Update integration test fixture

Author: naydav

dev/tests/integration/testsuite/Magento/ConfigurableProduct/_files/product_configurable_12345.php

@@ -21,7 +21,7 @@
 
 /** @var ProductRepositoryInterface $productRepository */
 $productRepository = Bootstrap::getObjectManager()
-    ->create(ProductRepositoryInterface::class);
+    ->get(ProductRepositoryInterface::class);
 
 /** @var $installer CategorySetup */
 $installer = Bootstrap::getObjectManager()->create(CategorySetup::class);
@@ -105,7 +105,7 @@
 $registry->unregister('isSecureArea');
 $registry->register('isSecureArea', true);
 try {
-    $productToDelete = $productRepository->getById(11);
+    $productToDelete = $productRepository->getById(111);
     $productRepository->delete($productToDelete);
 
     /** @var \Magento\Quote\Model\ResourceModel\Quote\Item $itemResource */