MTA-561: Re-factor Tests for Onepage Checkout with Online Shipping Carrier

- updated credentials.xml.dist

Author: Roman Liukshyn

dev/tests/functional/credentials.xml.dist

@@ -8,9 +8,13 @@
 <replace xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="./vendor/magento/mtf/Magento/Mtf/Fixture/InjectableFixture/etc/replace.xsd">
 
-    <field path="section/carriers_dhl_id/value" value="" />
-    <field path="section/carriers_dhl_password/value" value="" />
-    <field path="section/carriers_dhl_account/value" value="" />
+    <field replace="carriers_dhl_id_us" value="" />
+    <field replace="carriers_dhl_password_us" value="" />
+    <field replace="carriers_dhl_account_us" value="" />
+
+    <field replace="carriers_dhl_id_eu" value="" />
+    <field replace="carriers_dhl_password_eu" value="" />
+    <field replace="carriers_dhl_account_eu" value="" />
 
     <field path="section/carriers_fedex_account/value" value="" />
     <field path="section/carriers_fedex_meter_number/value" value="" />