).decodeHex()
    clientWriter.writeMessageFrame(OPCODE_BINARY, payload)
    assertData("82b2")
    assertData("60b420bb")
    assertData(
      "0000000058e5f96f1a7fb386dec41920967d0d185a443df4d7c4c9376391d4a65e0ed8230d1332734b796dee2" +
        "b4495fb4376",
    )
  }

  @Test fun serverEmptyClose() {
    serverWriter.writeClose(0, null)
    assertData("8800")
  }