[tests] Additional ui_options_tests
[tests] Additional ui_options_tests

added tests for
- OutputProxyOption
- ShowingListOption
- MultipleChoiceList
- ShowingMultipleChoiceList
- ChoiceException
- QuitKeyboardInterrupt

Bug: T247543
Change-Id: I618d26551f54198c46c10950fef933cb5ad833cb

wikimedia/pywikibot-core,wikimedia/pywikibot-core