message: Small code simplication
diff: @@ -112,10 +112,7 @@ class ReduceTest : public ClientLibraryTestBase {
  std::unique_ptr<GlobalData> input_global_data =
  client_->TransferToServer(input_literal).ConsumeValueOrDie();
  - float expected = 0.0;
  - for (float item : input_data) {
  - expected += item;
  - }
  + float expected = absl::c_accumulate(input_data, 0.0f);
  ComputeAndCompareR0<float>(&builder, expected, {input_global_data.get()},
  ErrorSpec(0.001));
  }
  