message: PY3 Migration - make `assertAllEqual()` in `test_util.py` py3 compatible.
diff: @@ -2608,6 +2608,8 @@ class TensorFlowTestCase(googletest.TestCase):
  x, y = a, b
  msgs.append("not equal lhs = {}".format(x))
  msgs.append("not equal rhs = {}".format(y))
  + # With Python 3, we need to make sure the dtype matches between a and b.
  + b = b.astype(a.dtype)
  np.testing.assert_array_equal(a, b, err_msg="\n".join(msgs))
  @py_func_if_in_function
  