def test_not_multiple():
    with raises(ValueError) as excinfo:
        Foo(b=93)
    assert ('b: Got 93; Expected a a multiple of 5' in str(excinfo.value))
def test_not_multiple():
    with raises(ValueError) as excinfo:
        Foo(b=93)
    assert ('b: Got 93; Expected a a multiple of 5' in str(excinfo.value))