message: Fixed wrong assertion to be assert_existing
diff: @@ -1337,7 +1337,8 @@ class CheckpointingTests(test.TestCase):
  model = NonLayerCheckpointable()
  model.dict = {"a": 1}
  model.list = {"b": 1}
  - checkpoint.restore(save_path).assert_consumed().run_restore_ops()
  + load_status = checkpoint.restore(save_path)
  + load_status.assert_existing_objects_matched().run_restore_ops()
  class _ManualScope(tracking.Checkpointable):
  