// Verify the peer received what was expected.
    val ping = peer.takeFrame()
    assertThat(ping.type).isEqualTo(Http2.TYPE_PING)
    assertThat(ping.streamId).isEqualTo(0)
    assertThat(ping.payload1).isEqualTo(2)
    assertThat(ping.payload2).isEqualTo(3)
    assertThat(ping.ack).isTrue()
  }

  @Test fun peerHttp2ServerLowersInitialWindowSize() {
    val initial = Settings()
    initial[Settings.INITIAL_WINDOW_SIZE] = 1684