This now includes tests for usernames, passwords, emails, and jabber
addresses. A few small changes had to be applied to phpbb_mock_cache
and phpbb_mock_user in order to incorporate needed methods.
PHPBB3-11579
* nickvergessen/ticket/11542:
[ticket/11542] Add non-existing default value for language select
[ticket/11542] Add lang_english_name to fixture
[ticket/11542] Add unit tests for language_select()