  void setUpConnection() {
    codec_client_ = makeHttpConnection(lookupPort("http"));
    auto encoder_decoder = codec_client_->startRequest(connect_headers_);
    request_encoder_ = &encoder_decoder.first;
    response_ = std::move(encoder_decoder.second);
    ASSERT_TRUE(fake_upstreams_[0]->waitForRawConnection(fake_raw_upstream_connection_));
    response_->waitForHeaders();
  }
  void setUpConnection() {
    codec_client_ = makeHttpConnection(lookupPort("http"));
    auto encoder_decoder = codec_client_->startRequest(connect_headers_);
    request_encoder_ = &encoder_decoder.first;
    response_ = std::move(encoder_decoder.second);
    ASSERT_TRUE(fake_upstreams_[0]->waitForRawConnection(fake_raw_upstream_connection_));
    response_->waitForHeaders();
  }