titleattribute of the
acronymelement, which also has a
langattribute with the value "en" for English.
This test case is intended to pass because the language of the (English) expansion of the acronym is correctly identified.
If you do this test with a screen reader and speech output, the screen reader needs to support English and German.
Can you determine the language of each passage in the text? Or if you use a screen reader with speech output, is each passage spoken in the correct language?
The browser can determine the natural language of the acronym in the document.