// We buffer some outbound data and headers and confirm that the END_STREAM flag comes with the
    // headers (and not with the data).

    // Write the mocking script. for the client
    peer.setClient(true)

    // Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.sendFrame().headers(true, 3, headerEntries("client", "abc"))
    peer.acceptFrame() // ACK