val data1 = peer.takeFrame()
    assertThat(data1.type).isEqualTo(Http2.TYPE_DATA)
    assertThat(data1.streamId).isEqualTo(3)
    assertArrayEquals("abcdef".toByteArray(), data1.data)
  }

  @Test fun readSendsWindowUpdateHttp2() {
    val windowSize = 100
    val windowUpdateThreshold = 50

    // Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK