objects.get(0) instanceof Map);
}
public void testCommitChangesRO1() throws Exception {
ROArtist a1 = (ROArtist) context.newObject("ROArtist");
a1.writePropertyDirectly("artistName", "abc");
a1.setPersistenceState(PersistenceState.MODIFIED);
try {
context.commitChanges();
fail("Inserting a 'read-only' object must fail.");