DictionaryAttr dict = DictionaryAttr::get(context, fields);
  return TF::FuncAttr::get(context, "MaxUnpooling2D", dict);
}

}  // namespace

class PerceptionUtilsTest : public ::testing::Test {
 protected:
  PerceptionUtilsTest() {}

  void SetUp() override {
    context_ = std::make_unique<mlir::MLIRContext>();
    context_->loadDialect<mlir::arith::ArithDialect, mlir::func::FuncDialect,