def testAllWrongAllWeightsMissing(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([[0, 0, 1], [1, 0, 0], [0, 1, 0]])
    weights = constant_op.constant([0, 0, 0], shape=[3])