<beans
   xmlns="http://java.sun.com/xml/ns/javaee"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/beans_1_0.xsd">
   <alternatives>
         <class>org.gcube.data.td.config.TestDatabaseProvider</class>
         <class>org.gcube.data.td.config.AlternativeResourceList</class>
   </alternatives>
</beans>