const tensorflow::ServerDef& cluster_server_def, int task_index) {
  tensorflow::ServerDef single_host_server_def;
  single_host_server_def.set_job_name("worker");
  single_host_server_def.set_protocol(cluster_server_def.protocol());
  single_host_server_def.set_task_index(0);
  tensorflow::ClusterDef* cluster_def =
      single_host_server_def.mutable_cluster();

    assertThat(zeroLengthPayload.headers["content-length"]).isEqualTo("0")
    assertThat(zeroLengthPayload.bodySize).isEqualTo(0L)
  }

  @Test
  fun setProtocols() {
    server.enqueue(
      MockResponse(body = "A"),
    )
    client =
      client.newBuilder()
        .protocols(Arrays.asList(Protocol.HTTP_1_1))
        .build()