message: [XLA] Fix broken HLO test
diff: @@ -770,7 +770,7 @@ XLA_TEST_F(CollectiveOpsTest, AllGather_Dim1) {
  ENTRY test_computation {
  id = u32[] replica-id()
  id2 = u32[2, 1] broadcast(id), dimensions={}
  - a0 = u32[2, 1] constant({{10, 15}})
  + a0 = u32[2, 1] constant({10}, {15})
  a1 = u32[2, 1] add(id2, a0)
  allgather = u32[2, 4] all-gather(a1), dimensions={1}
  ROOT out = u32[8] reshape(allgather)
  