message: Reduce precision in one conv op test.
  This test was flakily failing, presumably due to nondeterministic cudnn
  convolution algorithm choices.
diff: @@ -2192,7 +2192,8 @@ class Conv2DTest(test.TestCase):
  padding=[[0, 0], [2, 2], [2, 2], [0, 0]],
  test_input=True,
  data_format=data_format,
  - use_gpu=use_gpu)
  + use_gpu=use_gpu,
  + max_err=0.003)
  @test_util.deprecated_graph_mode_only
  def testFilterGradient2x2PaddingStrideOne(self):
  