Author: Víctor Déniz
MDL-77416 lang: Use fixed strings in tests
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6a9f78b0e7f0a7c91d88bbeee7b732a32071d98b
http://github.com/moodle/moodle/commit/6a9f78b0e7f0a7c91d88bbeee7b732a32071d98b
+ 4.2 en [zero_default_title,block_myoverview]