This example from PagesCoreFunctionalTests#pageNodeWithUtf8Chars
fails since 6.3-hackathon/site-removal.
Fixture usually works. (It may fail in rare cases, but that could be a timing issue).
(a) But Cleanup fails always - if the node name contains UTF8 characters.
(b) And additional problem is that Cleanup fails silently.
Cleanup must throw an exception if it fails!
Related to (b)
(c) Cleanup is called 2 times:
Cleanup should be called only once - @afterEach. That's actually a must, once (b) is fixed.