xml/tests/testData/xml/XInclude-inc.xml

<persistence-unit xmlns="http://example.com/persistence"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  xsi:schemaLocation="http://example.com/persistence XIncludeTestSchema.xsd">
    <class>java.lang.String</class>
</persistence-unit>