public void testPurgeAccountInterface() throws Exception {
final Interface intf = stubInterface(true);
InterfaceOptionAccount ioa = stubIoa(intf, true);
getInterfaceService().purgeAccountInterface(ioa.accountId(), intf.getId());
try {
ioa = getDao().load(new PrimaryKey<InterfaceOptionAccount>(InterfaceOptionAccount.class, ioa.getId()));
Assert.fail("Not purged: " + ioa);
}