def test_yesno_question_validate_answer() -> None:
q = YesNoQuestion(1, 'choose!')
a1 = Answer(False)
a2 = Answer(1)
assert q.validate_answer(a1) is True
assert q.validate_answer(a2) is False
def test_survey_yesno_invalid_answer() -> None:
"""A test for validate_answer() in class YesNoQuestion."""
q = YesNoQuestion(1, 'ABC')
a = Answer(2)
assert q.validate_answer(a) is False