message: Add unit test for reduce_mean with dtype=uint8.
diff: @@ -438,6 +438,12 @@ class MeanReductionTest(BaseReductionTest):
  np_arr = self._makeIncremental((2,) * rank, dtypes.int32)
  self._compareAllAxes(np_arr)
  + @test_util.run_deprecated_v1
  + def testUint8(self):
  + for rank in range(1, _MAX_RANK + 1):
  + np_arr = self._makeRandom((2,) * rank, dtypes.uint8)
  + self._compareAllAxes(np_arr)
  +
  @test_util.run_deprecated_v1
  def testFloat32(self):
  for rank in range(1, _MAX_RANK + 1):
  