tests/org.eclipse.emf.ecp.view.viewproxy.test/fragment.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<fragment>
   <extension
         point="org.eclipse.emf.ecp.view.model.provider.xmi.file">
      <file
            filePath="Player.view">
      </file>
      <file
            filePath="Player2.view">
         <filter
               key="proxyId"
               value="player2">
         </filter>
      </file>
   </extension>

</fragment>