import pytest

from pyQuantuccia import quantuccia


def test_function_fails_correctly_on_bad_input():
    """
    If we send in something which isn't three 
    appropriate ints, something reasonable should
    happen.
    """
    with pytest.raises(Exception):
        quantuccia.united_kingdom_is_business_day(1, 2, 3, 4)

Add a test which directly calls the c function.
Add a test which directly calls the c function.
