How to use the ward.testing.each function in ward

    def test(a=each(1, 2), b=each(3, 4)):
        pass

    def invalid_test(a=each(1, 2), b=each(3, 4, 5)):
        pass

    def parameterised_test(a=each(1, 2, 3), b="a value"):
        pass

def _(
    input=s,
    num_chars=each(20, 11, 10, 5),
    expected=each(s, s, "hello w...", "he..."),
):
    result = truncate(input, num_chars)
    expect(result).equals(expected)

def _(
    input=s,
    num_chars=each(20, 11, 10, 5),
    expected=each(s, s, "hello w...", "he..."),
):
    result = truncate(input, num_chars)
    expect(result).equals(expected)