bundles/org.eclipse.equinox.common.tests/Plugin_Testing/adapters/testAdapter_1.0.0/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>
   <extension
         point="org.eclipse.equinox.common.tests.factoryLoaderTest">
      <AdapterClass
            name="testAdapter.testUnknown">
      </AdapterClass>
   </extension>
</plugin>