message: test: deflaking a QUIC test
diff: @@ -1203,11 +1203,15 @@ void HttpIntegrationTest::testAdminDrain(Http::CodecClient::Type admin_request_t
  test_server_->waitForCounterEq("listener_manager.listener_stopped", 1);
  // Validate that port is closed and can be bound by other sockets.
  + // This does not work for HTTP/3 because the port is not closed until the listener is completely
  + // destroyed. TODO(danzh) Match TCP behavior as much as possible.
  + if (downstreamProtocol() != Http::CodecClient::Type::HTTP3) {
  EXPECT_NO_THROW(Network::TcpListenSocket(
  Network::Utility::getAddressWithPort(*Network::Test::getCanonicalLoopbackAddress(version_),
  http_port),
  nullptr, true));
  }
  +}
  std::string HttpIntegrationTest::listenerStatPrefix(const std::string& stat_name) {
  if (version_ == Network::Address::IpVersion::v4) {
  