Merge topic 'ctest-prefer-normative-text'

c83919d193 CTest: Prefer normative terms to express subprocess failures

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Lukas Riedel <mail@lukasriedel.com>
Acked-by: Yunus Sevinchan <yunussevinchan@gmail.com>
Merge-request: !5050