tests/org.eclipse.core.tests.runtime/Plugin_Testing/fragment.resolve.2/fragment2.xml

<?xml version="1.0" encoding="UTF-8"?>
<fragment
  name="Fragment Test"
  id="fragmentTest"
  version="1.0"
  plugin-id="tests.a"
  plugin-version="1">

  <runtime>
     <library name="lib1.jar"/>
  </runtime>

</fragment>