MAGETWO-71375: Zero Subtotal Orders have incorrect status

- Update automated test

Author: lusinehak

app/code/Magento/Checkout/Test/Mftf/Test/ZeroSubtotalOrdersWithProcessingStatusTest.xml

@@ -7,7 +7,7 @@
 -->
 
 <tests xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xsi:noNamespaceSchemaLocation="../../../../../../../vendor/magento/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/Test/etc/testSchema.xsd">
+       xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/testSchema.xsd">
     <test name="ZeroSubtotalOrdersWithProcessingStatusTest">
         <annotations>
             <features value="Checkout"/>