message: Disable a U8 test
diff: @@ -53,6 +53,7 @@ ScalarComputationsTest.AddTwoScalarsU64 POPLAR // U64
  ParamsTest.ConstantR1U8Param POPLAR // U8
  ScalarComputationsTest.AddTwoScalarsU8 POPLAR // U8
  ReverseTest.Reverse4DU8ArrayOnDim23 POPLAR // U8
  +PadTest.Pad4DU8Array POPLAR // U8
  ConvolutionTest.Convolve3D_1x4x2x3x3_2x2x2x3x3_Valid POPLAR // 3d conv
  