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

Author: DianaRusin

dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/Creditmemo/Totals.php

@@ -93,7 +93,7 @@ public function setCaptureOption($option)
      */
     public function getRefundShippingElement()
     {
-        return $this->_rootElement->find($this->refundShippingSelector, Locator::SELECTOR_XPATH);
+        return $this->_rootElement->find($this->refundShippingSelector, Locator::SELECTOR_CSS);
     }
 
     /**
@@ -103,7 +103,7 @@ public function getRefundShippingElement()
      */
     public function getAdjustmentRefundElement()
     {
-        return $this->_rootElement->find($this->adjustmentRefundSelector, Locator::SELECTOR_XPATH);
+        return $this->_rootElement->find($this->adjustmentRefundSelector, Locator::SELECTOR_CSS);
     }
 
     /**
@@ -113,7 +113,7 @@ public function getAdjustmentRefundElement()
      */
     public function getAdjustmentFeeElement()
     {
-        return $this->_rootElement->find($this->adjustmentFeeSelector, Locator::SELECTOR_XPATH);
+        return $this->_rootElement->find($this->adjustmentFeeSelector, Locator::SELECTOR_CSS);
     }
 
     /**