MAGETWO-91639: Tax is added despite customer group changes

- Update automated test

Author: VeronikaYarats

app/code/Magento/Customer/Test/Mftf/ActionGroup/AdminDeleteCustomerGroupActionGroup.xml

@@ -7,7 +7,7 @@
 -->
 
 <actionGroups xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-              xsi:noNamespaceSchemaLocation="../../../../../../../dev/tests/acceptance/vendor/magento/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/Test/etc/actionGroupSchema.xsd">
+              xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/actionGroupSchema.xsd">
     <actionGroup name="AdminDeleteCustomerGroupActionGroup">
         <arguments>
             <argument name="customerGroupName" type="string"/>