Add more UI tests

[mondeja]

• [ ] Language options appears in language selector on click (#242)
• [ ] All languages are included in the language selector except the language of the page
• [ ] Change language using language selector
• [ ] Localized pages are translated
• [ ] Localized titles of icons from aliases.loc data property (#225)
• [ ] Advice about icons remove in next major versions (#233)
• [ ] More complete tests for compact layout (#154)
• [ ] Refactor details view using same buttons as cards and add tests (#154)