The new test is called tst_qurluts46. It verifies QUrl::{to,from}Ace()
functionality using the data from IdnaTestV2.txt supplied by Unicode.
The file was downloaded from
https://www.unicode.org/Public/idna/13.0.0/IdnaTestV2.txt
Task-Id: QTBUG-85371
Change-Id: I4c6a4942ef6018dafc90cb84ef73f6b2614566d7
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>