def clear(self):
        super(GroupedRequirements, self).clear()
        self.create_default_groups()
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]