def testSomeWeightsMissing(self):
    logits = constant_op.constant([[10.0, 0.0, 0.0], [0.0, 10.0, 0.0],
                                   [0.0, 0.0, 10.0]])
    labels = constant_op.constant([[2], [0], [1]])
    weights = constant_op.constant([1.2, 0, 0], shape=(3, 1))