Merge remote-tracking branch 'magento-l3/ACP2E-2038' into JUN062023_PR_sarmistha

Author: glo23503

app/code/Magento/CatalogInventory/Model/Quote/Item/QuantityValidator/QuoteItemQtyList.php

@@ -33,7 +33,7 @@ class QuoteItemQtyList
     public function getQty($productId, $quoteItemId, $quoteId, $itemQty)
     {
         $qty = $itemQty;
-        if (isset($this->_checkedQuoteItems[$quoteId][$productId]['qty']) && !in_array(
+        if (isset($this->_checkedQuoteItems[$quoteId][$productId]['qty']) && $quoteItemId !== null && !in_array(
             $quoteItemId,
             $this->_checkedQuoteItems[$quoteId][$productId]['items']
         )

app/code/Magento/CatalogInventory/Test/Unit/Model/Quote/Item/QuantityValidator/QuoteItemQtyListTest.php

@@ -49,6 +49,10 @@ public function testSingleQuoteItemQty()
 
         $qty = $this->quoteItemQtyList->getQty(125, 1, 11232, 1);
         $this->assertEquals($this->itemQtyTestValue, $qty);
+
+        $this->itemQtyTestValue = 2;
+        $qty = $this->quoteItemQtyList->getQty(125, null, 11232, 1);
+        $this->assertNotEquals($this->itemQtyTestValue, $qty);
     }
 
     /**