tensorflow::AsyncValueTensor::FromTensor(tensor);
  if (av_tensor == nullptr || av_tensor->GetBuffer() == nullptr) {
    return absl::InternalError("Input tensor does not have PjRtBuffer.");
  }
  auto* c_api_buffer =
      dynamic_cast<xla::PjRtCApiBuffer*>(av_tensor->GetBuffer().get());
  if (c_api_buffer == nullptr) {
    return absl::InternalError(

          nullptr, pjrt_client->addressable_devices()[0]));
  tensorflow::AsyncValueTensor* av_tensor =
      tensorflow::AsyncValueTensor::FromTensor(&tensor);
  av_tensor->SetBuffer(std::move(buffer));

  EXPECT_THAT(
      GetPjRtCBufferFromTensor(&tensor),
      StatusIs(
          error::INTERNAL,
          HasSubstr(absl::StrCat(