* confirm that the third concurrent request prepared a new connection.
   */
  @ParameterizedTest
  @ArgumentsSource(ProtocolParamProvider::class)
  fun settingsLimitsMaxConcurrentStreams(protocol: Protocol) {
    setUp(protocol)
    val settings = Settings()
    settings[Settings.MAX_CONCURRENT_STREAMS] = 2

    // Read & write a full request to confirm settings are accepted.