@Test
public void testDoubleGrap() throws Exception
{
createInstances();
new DoubleRing(config, factory, tokenManager).doubleSlots();
config.zone = "az1";
config.instance_id = "fakeinstancex";
int hash = tokenManager.regionOffset(config.getDC());
identity = createInstanceIdentity("az1", "fakeinstancex");
printInstance(identity.getInstance(), hash);