message: Disable test involving uint32
diff: @@ -44,6 +44,7 @@ ArrayElementwiseOpTest.CompareEqU32s POPLAR // U32
  VecOpsSimpleTest.NegateUint32Values POPLAR // U32
  PrngTest.HundredValuesB10p5 POPLAR // U32
  PrngTest.HundredValuesB10p1 POPLAR // U32
  +VecOpsSimpleTest.NegateUint32Values POPLAR // U32
  ScalarComputationsTest.AddTwoScalarsS64 POPLAR // S64
  