ENGCOM-2360: [Backport] Magento_Sales integration tests: fix invoice_list fixture var tags #16831

 - Merge Pull Request #16831 from ronak2ram/magento2:2.2-develop-PR-port-16350
 - Merged commits:
   1. 0fb87a0

Author: magento-engcom-team

dev/tests/integration/testsuite/Magento/Sales/_files/invoice_list.php

@@ -53,9 +53,9 @@
     ],
 ];
 
-/** @var array $creditMemoData */
+/** @var array $invoiceData */
 foreach ($invoices as $invoiceData) {
-    /** @var \Magento\Sales\Model\Order\Creditmemo $creditMemo */
+    /** @var \Magento\Sales\Model\Order\Invoice $invoice */
     $invoice = $objectManager->create(\Magento\Sales\Model\Order\Invoice::class);
     $invoice
         ->setData($invoiceData)