(DistributedJDBCConfiguration) emf.getConfiguration();
List<String> slices = conf.getAvailableSliceNames();
assertTrue(slices.contains("One"));
assertTrue(slices.contains("Two"));
assertTrue(slices.contains("Three"));
BrokerFactory bf = ((EntityManagerFactoryImpl) emf).getBrokerFactory();
DistributedBroker broker = (DistributedBroker)bf.newBroker();
Map newProps = new HashMap();
newProps.put("openjpa.slice.newslice.ConnectionURL",
"jdbc:derby:target/database/newslice;create=true");
newProps.put("openjpa.slice.newslice.ConnectionDriverName",
"org.apache.derby.jdbc.EmbeddedDriver");