def __init__(self, filename=None):
        self.filename = None
        if filename:
            self.load(filename)
def test_below_or_equal_to():
    """Less than or equal to y."""
    p = are.not_below_or_equal_to(3)
    ps = [p(x) for x in range(1, 6)]
    assert ps == [False, False, False, True, True]