Author: David Monllao
MDL-57791 testing: Add missing cachedef lang string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f96488df664117c9dc9932139c3a0eda4848eaf4
http://github.com/moodle/moodle/commit/f96488df664117c9dc9932139c3a0eda4848eaf4
+ 3.4 en [cachedef_modelswithpredictions,core_cache]