message: Disable some tests which we don't support
diff: @@ -52,6 +52,7 @@ ScalarComputationsTest.AddTwoScalarsU64 POPLAR // U64
  ParamsTest.ConstantR1U8Param POPLAR // U8
  ScalarComputationsTest.AddTwoScalarsU8 POPLAR // U8
  +ReverseTest.Reverse4DU8ArrayOnDim23 POPLAR // U8
  ConvolutionTest.Convolve3D_1x4x2x3x3_2x2x2x3x3_Valid POPLAR // 3d conv
  @@ -60,3 +61,7 @@ ConvolutionTest.Convolve1D_Valid POPLAR // 1d conv
  DotOperationTest POPLAR // Test hangs
  +ReducePrecisionInsertionTest POPLAR // Don't support this
  +ReducePrecisionAccuracyTest POPLAR // Don't support this
  +
  +CustomCallTest POPLAR // Don't support this
  \ No newline at end of file
  