is = getClass().getClassLoader().getResourceAsStream(location);
PersistenceDescriptor descriptor = new PersistenceDescriptorImpl(location, is);
Bundle b = Skeleton.newMock(Bundle.class);
Collection<? extends ParsedPersistenceUnit> parsedUnits = new PersistenceDescriptorParserImpl().parse(b, descriptor);
fail("should throw");
} finally {
if(is != null)
is.close();