def METHOD_NAME(capfd):
    msg = "(not flushed)"
    msg2 = "(flushed)"
    with m.ostream_redirect():
        m.noisy_function(msg, flush=False)
        stdout, stderr = capfd.readouterr()
        assert stdout == ""
        m.noisy_function(msg2, flush=True)
        stdout, stderr = capfd.readouterr()
        assert stdout == msg + msg2
        m.noisy_function(msg, flush=False)
    stdout, stderr = capfd.readouterr()
    assert stdout == msg