* bzrlib/transform.py: (DiskTreeTransform.new_orphan): Urgh, call a valid backup name prediction function. Add a trace.warning call too.
* bzrlib/tests/test_transform.py: (TestTransformMissingParent): Use make_ not get_ for helper. (TestOrphan.test_new_orphan): Check that the orphan is moved in te right place.