REFACTOR: Extract Action Groups to separate files (MFTF best practices)

Author: lbajsarowicz

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

@@ -19,11 +19,4 @@
         <click selector="{{AdminOrdersGridSection.dropdownActionItem(action)}}" stepKey="selectAction"/>
         <waitForPageLoad stepKey="waitForResults"/>
     </actionGroup>
-    <actionGroup name="AdminTwoOrderActionOnGridActionGroup" extends="AdminOrderActionOnGridActionGroup">
-        <arguments>
-            <argument name="secondOrderId" type="string"/>
-        </arguments>
-        <checkOption selector="{{AdminOrdersGridSection.selectOrderID(secondOrderId)}}" stepKey="selectSecondOrder" after="waitForCheck"/>
-        <waitForLoadingMaskToDisappear stepKey="waitForSecondCheck" after="selectSecondOrder"/>
-    </actionGroup>
 </actionGroups>

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

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ /**
+  * Copyright © Magento, Inc. All rights reserved.
+  * See COPYING.txt for license details.
+  */
+-->
+
+<actionGroups xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/actionGroupSchema.xsd">
+    <actionGroup name="AdminTwoOrderActionOnGridActionGroup" extends="AdminOrderActionOnGridActionGroup">
+        <arguments>
+            <argument name="secondOrderId" type="string"/>
+        </arguments>
+        <checkOption selector="{{AdminOrdersGridSection.selectOrderID(secondOrderId)}}" stepKey="selectSecondOrder" after="waitForCheck"/>
+        <waitForLoadingMaskToDisappear stepKey="waitForSecondCheck" after="selectSecondOrder"/>
+    </actionGroup>
+</actionGroups>