MC-17003: Update Totals button is missing from Credit Memo page

Author: DianaRusin

app/code/Magento/Sales/Test/Mftf/ActionGroup/AdminOpenAndFillCreditMemoRefundActionGroup.xml

@@ -34,6 +34,7 @@
         <fillField userInput="{{shippingRefund}}" selector="{{AdminCreditMemoTotalSection.refundShipping}}" stepKey="fillShipping"/>
         <fillField userInput="{{adjustmentRefund}}" selector="{{AdminCreditMemoTotalSection.adjustmentRefund}}" stepKey="fillAdjustmentRefund"/>
         <fillField userInput="{{adjustmentFee}}" selector="{{AdminCreditMemoTotalSection.adjustmentFee}}" stepKey="fillAdjustmentFee"/>
+        <click selector="{{AdminCreditMemoTotalSection.updateTotals}}" stepKey="clickUpdateTotals"/>
         <checkOption selector="{{AdminCreditMemoTotalSection.emailCopy}}" stepKey="checkSendEmailCopy"/>
     </actionGroup>