message: Adds test case of uint8 support for Pad with GPU
diff: @@ -215,7 +215,7 @@ class PadOpTest(test.TestCase):
  def testIntTypes(self):
  # TODO(touts): Figure out why the padding tests do not work on GPU
  # for int types and rank > 2.
  - for t in [np.int8, np.int32, np.int64]:
  + for t in [np.int8, np.uint8, np.int32, np.int64]:
  self._testAll(
  np.random.randint(-100, 100, (4, 4, 3)).astype(t),
  [[1, 0], [2, 3], [0, 2]], 0)
  