def METHOD_NAME(fake_qtile, fake_window):
    """test output with no update (without dedicated string nor color)"""
    cu3 = CheckUpdates(distro=good_distro, custom_command=cmd_0_line)
    fakebar = FakeBar([cu3], window=fake_window)
    cu3._configure(fake_qtile, fakebar)
    text = cu3.poll()
    assert text == ""