Author: Fábio Souto
MDL-32941 complete unit tests and webform
http://git.moodle.org/gw?p=moodle.git;a=commit;h=be05180890c107ee63b73b0ef654d6370dc1d273
http://github.com/moodle/moodle/commit/be05180890c107ee63b73b0ef654d6370dc1d273
+ 2.3 en [categorytoolong,core_error]
+ 2.3 en [idnumbertoolong,core_error]