/vagrant/mediawiki/tests/phpunit$ php phpunit.php
[Sun Apr 12 20:07:41 2015] [hphp] [10053:7f85318b6bc0:0:000001] [834dc6:835050:9ca744:9caa13:9cf12a:9d070f:a6e441:856a5d:7f852952cec5:909e04]
Fatal error: Class SomeJob contains abstract method (run) and must therefore be declared abstract or implement the remaining methods in /srv/vagrant/mediawiki/vendor/phpunit/phpunit-mock-objects/src/Framework/MockObject/Generator.php(301) : eval()'d code on line 1
This is an upstream HHVM bug: https://github.com/facebook/hhvm/issues/5170