core 1.23 with SpamBlacklist using REL1_23, unit tests die with,
.........................................SSSSSS.....PHP Catchable fatal error: Argument 1 passed to WikitextContent::getParserOutput() must be an instance of Title, null given, called in /srv/www/htdocs/mwgit123/extensions/SpamBlacklist/SpamBlacklistHooks.php on line 28 and defined in /srv/www/htdocs/mwgit123/includes/content/WikitextContent.php on line 313