def METHOD_NAME():
    f1 = to_simple_filter(True)
    f2 = to_simple_filter(False)
    f3 = to_simple_filter(Condition(lambda: True))
    f4 = to_simple_filter(Condition(lambda: False))
    assert isinstance(f1, SimpleFilter)
    assert isinstance(f2, SimpleFilter)
    assert isinstance(f3, SimpleFilter)
    assert isinstance(f4, SimpleFilter)
    assert f1()
    assert not f2()
    assert f3()
    assert not f4()
    with pytest.raises(TypeError):
        to_simple_filter(4)
    with pytest.raises(TypeError):
        to_simple_filter(Condition(lambda cli: True))