testParent(new Joined(), null);
testParent(new SingleTable(), SingleTable.class.getName());
}
public void testInsertParent_MappedSuperclass() throws EntityNotFoundException {
MappedSuperclassParent parent = new MappedSuperclassParent();
parent.setAString("a");
beginTxn();
try {
em.persist(parent);
commitTxn();
fail("expected pe");