message: CrossEntropy testGradient BatchMatMulV2 compat
diff: @@ -202,6 +202,7 @@ class XentTest(test.TestCase):
  op.op_def.name for op in sess.graph.get_operations() if op.op_def
  ]
  self.assertNotIn("BatchMatMul", op_names)
  + self.assertNotIn("BatchMatMulV2", op_names)
  print("cross entropy gradient err = ", err)
  self.assertLess(err, 5e-8)
  